Related Articles

Knowledge, attitudes and practices of doctors on constipation management in Singapore

Dear Editor, Constipation is a common gastrointestinal disorder, affecting about 15% of the global population and severely impacting patients’ quality of life.1 The global constipation treatment market is estimated to worth USD22.93 billion in 2025. Patients with functional constipation had the highest treatment dissatisfaction at 63.4%. Poor satisfaction was reported...

The role of PIVKA-II in hepatocellular carcinoma surveillance in an Asian population

Dear Editor, Alpha-fetoprotein (AFP) is the most established biomarker for surveillance of hepatocellular carcinoma (HCC) in at-risk individuals. However, its sensitivity and specificity are not very satisfactory.1 Protein induced by vitamin K absence or antagonist-II (PIVKA-II) is a newer biomarker for HCC but without a widely established cut-off.2,3 Recent...

Response to letters arising from publication of the Academy of Medicine, Singapore clinical guideline on the use of sedation by non-anaesthesiologists during gastrointestinal endoscopy in the hospital setting

Dear Editor, The Academy of Medicine, Singapore (AMS) guideline on the use of sedation by non-anaesthesiologists during gastrointestinal endoscopy in the hospital setting and an accompanying editorial were published in the January 2022 issue of the Annals.1,2 An evidence-based approach was used with reference made to relevant published literature. The...

Sedation in gastrointestinal endoscopy in Singapore

Dear Editor, I refer to the editorial “Ensuring safe sedation during gastroendoscopy”1 and the original article “Academy of Medicine, Singapore clinical guideline on the use of sedation by non-anaesthesiologists during endoscopy in the hospital setting”2  in your journal in January 2022. The American Society of Gastrointestinal Endoscopy (ASGE) and the European...

Non-anaesthesiologists administering propofol in the Singapore context

Dear Editor, Propofol is a potent intravenous sedative-hypnotic agent. Its popularity for sedation has increased in the last 3 decades because of its smooth, rapid onset of action and fast post-procedural recovery.1 Nonetheless, propofol depresses cardiorespiratory function and could result in life-threatening adverse effects. A workgroup, mainly consisting of gastroenterologists and...

Sedation by non-anaesthesiologists in gastrointestinal endoscopy

Dear Editor, We read with interest the paper by Ang et al.1 on Singapore guidelines in the use of sedation by non-anaesthesiologists during gastrointestinal endoscopy in the hospital setting. We are especially intrigued by Statement 6, stating that propofol sedation for endoscopy can be safely and effectively administered by trained...

Perception of disease, well-being and financial burden by patients with chronic hepatitis B: A self-reported assessment

Dear Editor, Chronic hepatitis B (CHB) infection affects approximately 248 million individuals in the world1 and 3.6% of the Singapore population.2 Given the natural history of CHB, regular surveillance with blood tests is necessary to ensure early detection of complications such as cirrhosis and hepatocellular carcinoma in patients. Our study...

Prevalence, risk factors and parental perceptions of gastroesophageal reflux disease in Asian infants in Singapore

Functional gastrointestinal (GI) disorders, such as colic, gastroesophageal reflux (GER) and constipation, are common in infants under 1 year. They are a frequent cause of concern for parents and result in a significant healthcare burden1,2 due to their negative impact on feeding behaviours, caregivers’ mental wellbeing and quality of...

Gastroesophageal reflux disease in Asian infants: Similar condition, different perceptions

Gastroesophageal reflux disease (GERD), a common problem in infancy, may lead to troublesome symptoms or complications such as oesophagitis or oesophageal stricturing in a small minority of infants.1 In the majority of cases, however, frequent regurgitations, the commonest symptoms of GERD, resolves with age spontaneously without any medical intervention.2,3...

Mesothelial Splenic Cyst—A Case Report

Non-parasitic cystic lesions of the spleen are unusual. They are classified essentially as primary (true, epithelial) and secondary (pseudo, non-epithelial) based on the presence or absence of lining epithelium. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Report of Heparin Resistance due to Acquired Antithrombin III Deficiency

Intravenous heparin therapy is used in the management of angina and myocardial infarct with increasing frequency in recent years. Those patients who have been on heparin therapy for several days may exhibit resistance to heparin given before cardiopulmonary bypass. This article is available only as a PDF. Please click on...

Cryptococcal Prostatic Abscess in an Immunocompromised Patient: A Case Report and Review of the Literature

Cryptococcosis is a well-recognised infection in immunocompromised patients, although its prevalence varies with the type of immune defect. We report a patient with myasthenia gravis (MG) on steroid therapy and non-insulin dependent diabetes mellitus (NIDDM) who developed cryptococcal meningitis and in whom a search for a persistent focus by...

Cutaneous Polyarteritis Nodosa: A Case Report and Literature Review

Cutaneous polyarteritis nodosa (CPN) is an uncommon form of vasculitis of the small-and medium-sized arteries in the reticular dermis and subcutaneous tissue. It remains limited and runs a chronic, benign course. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

Sezary Syndrome: A Case Report and a Review of the Molecular Pathomechanism and Management

Our patient is a 64-year-old Malay man who first presented in July 1993 with a history of rash starting on the hands 1½ years earlier progressing to generalised eczema 5 months prior to consultation. He was diagnosed to have generalised exfoliative dermatitis (GED). This article is available only as a...

A Case Report of Neutrophilic Eccrine Hidradenitis in a Patient Receiving Chemotherapy for Acute Myeloid Leukaemia

Neutrophilic eccrine hidradenitis (NEH) is a neutrophilic dermatosis primarily affecting the eccrine glands and occurs most commonly in patients undergoing chemotherapy for a malignancy. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Pericardial Injury Following Severe Sepsis from Faecal Peritonitis—A Case Report on the Use of Continuous Cardiac Output Monitoring

The intermittent manual bolus thermodilution method is the most common means of determining cardiac output in critically ill patients. Although widely used, there are many factors which may affect the accuracy of this technique such as the volume, temperature and timing of the injectate. This article is available only as...

Creutzfeldt-Jakob Disease Presenting with Visual Blurring, Diplopia and Visual Loss: Heidenhain’s Variant

The electroencephalographic pattern is distinctive in many but not in all patients with Creutzfeldt-Jakob disease (CJD). Often, it is one of diffuse and non-specific slowing in the background with stereotypical generalised periodic high-voltage slow and sharp wave complexes. This article is available only as a PDF. Please click on “Download...

Case Series of Bronchoscopic Removal of Tracheobronchial Foreign Body in Six Adults

Gustav Killian reported the first case of bronchoscopic removal of foreign body (FB) from the trachea in 1897. Since then, rigid bronchoscopy under general anaesthesia by the cardiothoracic surgeon has remained the procedure of choice for FB removal in the airways, failing which thoracotomy and bronchotomy is performed. This article...

Adjuvant Chemotherapy for Patients with Resected Dukes’ C and High-risk B2 Colon Cancer with Fluorouracil and Levamisole

Carcinoma of the large bowel is the second leading cause of cancer mortality in Singapore. Although the great majority of patients are discovered at a stage where resection with curative intent is possible, almost half of the patients afflicted will die of it. This article is available only as a...

Experience with a Nine-step Policy Dealing with Requests for Medically Inappropriate Interventions for Cancer

Although great strides have been made in treating cancers, a significant number of patients still reach the point at which no curative treatment is available. Physicians then face the difficult task of informing patients that, although palliation is always possible, cure is not. This article is available only as a...

Invasive Cancer after Treatment of Cervical Intraepithelial Neoplasia

The objective of a cervical screening programme is to prevent invasive cancer of the cervix by detecting and treating pre-invasive disease of the cervix. The impact of the programme depends both on the detection of women with cervical intraepithelial neoplasia (CIN) and upon their being treated effectively. This article is...

The Polarprobe—Emerging Technology for Cervical Cancer Screening

Cervical cancer is a preventable disease that affects nearly half a million women worldwide. The Papanicolaou smear has been used for screening for over fifty years and the test has the advantage of fast and relatively easy sample collection. This article is available only as a PDF. Please click on...

Occult Virilizing Ovarian Tumours in Postmenopausal Women: Problems in Evaluation with Reference to a Case

A remarkable variety of endocrinologic disorders may cause virilization syndromes. This can pose a diagnostic dilemma to even the most experienced clinicians. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Occult Virilizing Ovarian Tumours in Postmenopausal Women: Problems in Evaluation with Reference to a Case

A remarkable variety of endocrinologic disorders may cause virilization syndromes. This can pose a diagnostic dilemma to even the most experienced clinicians. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Pelvic Spleen Masquerading as an Ovarian Neoplasm

A 53-year-old Caucasian woman, a receptionist in a general practice, was referred to the gynaecology outpatient clinic with an 18-month history of heavy, irregular menses and a pelvic mass on an abdominal ultrasound arranged by her General Practitioner (GP). She was otherwise asymptomatic. This article is available only as a...

Repair of Complex Ureterovaginal and Vesicovaginal Fistulas with Ileal Cystoplasty and Ureteric Reimplantation into an Antireflux Ileal Nipple Valve—A Case Report

Urogenital fistulas are a known but uncommon complication of gynaecological surgery, especially those involving a malignant process. Its incidence does not exceed 2%. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Report—Delayed Vesicocutaneous Fistula After Radiation Therapy for Advanced Vulvar Cancer

To our knowledge this is the first reported case of an isolated vesicocutaneous fistula related to previous radiation therapy for recurrent vulvar cancer. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Optimal Treatment in Gestational Trophoblastic Disease

Gestational trophoblastic diseases (GTD) encompass a spectrum of interrelated conditions: Hydatidiform mole (HM) Invasive mole (IM) Choriocarcinoma (CC) Placental site trophoblastic tumour (PSTT) This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Fallopian Tube Carcinoma—A Review

Fallopian tube cancer is the least common of gynaecological malignancies. It was first described by Renaud in 1847. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Current Management of Early Vulvar Cancer

Carcinoma of the vulva is an uncommon malignancy, but one that is amenable to early diagnosis if symptoms and signs are appropriately investigated. Although patient and physician delay remains common, an increasing number of patients are being diagnosed with early stage disease. This article is available only as a PDF....

Topoisomerase-I Inhibitors in Gynaecologic Tumours

Topoisomerases are essential nuclear enzymes with a multiplicity of cellular functions involving DNA replication, RNA transcription, mitosis, and chromosome condensation. Two classes have been identified: the class I topoisomerases, named “I” because they induce single-strand breaks and reunions of the DNA double helix, and the class II topoisomerases, named...

Screening for Ovarian Cancer

Ovarian cancer is the most common gynaecological malignancy with over 5000 new cases diagnosed every year in the UK and 22 000 in the United States. Four thousand women die each year of ovarian cancer in England and Wales, and 13 000 die in the USA. This article is available...

Biomarkers in Carcinoma of the Cervix: Emphasis on Tissue-related Factors and Their Potential Prognostic Factors

Accurate staging is of utmost importance in determining the prognosis of carcinoma of the cervix. Demographic features such as race and socio-economic status have been demonstrated as not having significant influence. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

The Management Dilemma of the Mildly Abnormal Smear: Fact or Fiction?

Carcinoma of the cervix is still a relatively common gynaecological malignancy. However, despite being potentially preventable it still claims the lives of many women even in those countries where organised screening programmes exist. This article is available only as a PDF. Please click on “Download PDF” on top to view...

Adenocarcinoma of the Cervix

It is clear from studies in Canada, Scandinavia, and more recently the United Kingdom, that routine Pap smear screening has not only reduced the incidence of squamous carcinoma of the cervix but indeed in the last 10 to 15 years has halved the mortality rate from this disease. In...

Malignant Ovarian Germ Cell Tumours: Experience in the National University Hospital of Singapore

One of the most remarkable advances in the management of gynaecological cancers is in malignant ovarian germ cell tumours. Before the early 70s, some of the malignant ovarian germ cell tumours had a notoriously bad reputation in terms of aggressiveness and poor prognosis. This article is available only as a...

A Phase II Study of Combined CPT-11 and Mitomycin-C in Platinum Refractory Clear Cell and Mucinous Ovarian Carcinoma

Platinum resistance, either de novo or acquired, is a major obstacle in the treatment of advanced ovarian cancer. Platinum-resistance has been classified into the following three categories; (1) primarily (intrinsically) platinum-resistant disease: tumours showing no change (NC) or progressive disease (PD) while on initial platinum-based chemotherapy; (2) secondarily platinum-resistant...

Single Agent Paclitaxel in Resistant and Relapsed Epithelial Ovarian Cancer After First-line Platinum-based Chemotherapy—Experience in an Asian Population

Ovarian carcinoma ranks fourth among causes of death in women and is the leading cause of death from gynaecological malignancies in Western countries. In Singapore, the incidence of this cancer has been rising for the last 25 years. This article is available only as a PDF. Please click on “Download...

Uterine Papillary Serous Carcinoma—The KK Hospital Experience

Endometrial carcinoma comprises a morphologically heterogeneous group of tumours. Several authors during the 1960s and 1970s described an unusual variant of endometrial cancer containing psammoma bodies. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Radiotherapy as Local Adjuvant Treatment for Endometrial Carcinoma—A Review of 45 Patients

Radiotherapy as an adjunct to surgery has long been used in the management of endometrial carcinoma with the intent to improve local tumour control as well as to achieve excellent survival rates. Over the years, however, the specific role and relative benefit of postoperative radiotherapy for this particular cancer...

Outcome of Obstructive Uropathy After Pelvic Irradiation in Patients with Carcinoma of the Uterine Cervix

Radiotherapy is the mainstay treatment for locally advanced carcinoma of the cervix. It is also administered as an adjuvant therapy to patients deemed at high risk for local recurrence after radical hysterectomy. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

The Surgical Management of Colorectal Complications from Irradiation for Carcinoma of the Cervix

Radiation bowel injury is a significant clinical problem because of the technical difficulties of surgery. Among the more common causes is radiation of carcinoma of the cervix, because radiotherapy is the principle mode of treatment for this fourth most common malignancy in women in Singapore (after carcinoma of the...

Adjuvant Chemotherapy in “High Risk” Patients after Wertheim Hysterectomy—10-year Survivals

Wertheim radical hysterectomy has today become an accepted method of management of stage IB and early stage IIA cervical carcinoma, particularly in young patients in whom preservation of ovarian and coital function cannot be achieved if they were subjected to radiotherapy instead. However, a group of patients undergoing radical...

A Review of Patients with High-risk Carcinoma of the Cervix Treated with Combined Surgery and Postoperative Radiotherapy

It is generally accepted that early stage invasive carcinoma of the cervix, stage I to stage IIA disease, can be treated with equal effectiveness with either radical hysterectomy or radical radiotherapy. However a proportion of patients treated with surgery may be classified as having a significant risk of relapse...

Outcome of Early Cervical Carcinoma Treated by Wertheim Hysterectomy with Selective Postoperative Radiotherapy

Cancer of the cervix is the fourth most common cancer in females in Singapore after breast, colorectal and lung cancers. It forms 7.8% of all cancers in females for the period 1988 to 1992. This article is available only as a PDF. Please click on “Download PDF” on top to...

Gynaecologic Oncology—The Next Lap

Cancer of the pelvic reproductive organs and external genitalia accounts for one in six cancers in women. It can occur in women of all age groups: rhabdomyosarcoma in young girls, germ cell tumours in teenage girls and young women, cervical cancer in the middle age women, and epithelial ovarian...

Sudden Profound Hypoxaemia in the Intensive Care Unit—A Case Report

Significant arterial hypoxaemia is defined as a partial pressure of oxygen (PaO2) that is less than 60 mmHg or a percentage of oxyhaemoglobin (% HbO2) that is less than 90%. The immediate response in acute situations is to rapidly exclude or treat common conditions such as airway obstruction, pneumothorax...

Hyperthyroidism with Gynaecomastia as the Initial Complaint: A Case Report

Gynaecomastia is not a commonly recognised feature among the myriad symptoms and signs associated with hyperthyroidism. A review of the literature disclosed only eight reported cases of gynaecomastia as a presenting feature in thyrotoxicosis, and herein we describe an additional case. This article is available only as a PDF. Please...

Rosai-Dorfman Disease with Primary Cutaneous Manifestations—A Case Report

In 1969, Rosai and Dorfman first described a newly recognised benign systemic histioproliferative disease characterised clinically by bilateral striking cervical lymphadenopathy, fever, leukocytosis, and pathologically by enlarged lymph nodal sinuses containing large histiocytes with intact phagocytosed lymphocytes (emperipolesis). They dubbed the entity “sinus histiocytosis with massive lymphadenopathy” (SHML or...

The Alien Hand Sign–Case Report and Review of the Literature

The alien hand sign or “strange hand sign”, first coined by Brion and Jedynak in 1972, refers to a feeling that the hand is foreign, together with autonomous activity which is perceived as independent of voluntary control, as if the hand is driven by an external agent. This article is...

Simultaneous Transcatheter Valvuloplasty and Amplatzer Septal Occlusion for Pulmonary Valvar Stenosis and Secundum Atrial Septal Defect

Congenital pulmonary valvar stenosis (PVS) and secundum atrial septal defect (ASD) are relatively common forms of congenital heart disease (CHD). Since the first successful clinical application of transcatheter balloon dilation of PVS in 1982, the latter has become the treatment of choice for children with PVS who have significant...

A Case of Metastatic Nasopharyngeal Carcinoma in Benign Nasal Polyps

Our patient was a 39-year-old Chinese man with nasopharyngeal carcinoma (NPC) presenting initially with right upper cervical lymphadenopathy. He was treated primarily with a course of radiotherapy, following which he was examined three monthly and was found to be free of disease in the nasopharynx and the neck. This article...

A Case Report of Atasoy Antenna Procedure

The hook nail deformity is a relatively common problem after fingertip amputations. It is usually ignored but can be quite disabling. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Thoracoscopic Thymectomy for Myasthenia Gravis: A Case Report

Total thymectomy is the established surgical therapeutic method for generalised myasthenia gravis. Several approaches are used for the surgical removal of the thymus and these include the transcervical approach, partial sternotomy, median sternotomy and a combination of the transsternal and transcervical approaches. This article is available only as a PDF....

Electrocardiographic Abnormalities in Combined Hypercalcaemia and Hypokalaemia—Case Report

The electrocardiographic abnormalities in isolated hypercalcaemia and hypokalaemia have been well documented in the literature. However, electrocardiogram (ECG) findings in combined hypercalcaemia and hypokalaemia have rarely been described. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Series of Ocular Disease as the Primary Manifestation in Sarcoidosis

Sarcoidosis is an idiopathic, systemic, non-caseating, granulomatous disease with protean clinical manifestations. Although the first description of sarcoidosis was attributed to Hutchinson, its ocular features received little attention until 1936 when Heerfordt’s syndrome of uveitis, salivary gland enlargement and cranial nerve palsies was recognised as a sign of sarcoidosis. This...

A Case of Pseudohyperkalaemia and Thrombocytosis

Hyperkalaemia is a common biochemical derangement in the intensive care unit reflecting a diversity of systemic perturbations such as acute renal failure, rhabdomyolysis, extracellular ionic shift from acid-base anomalies and tissue trauma. We report a rare and erstwhile unencountered cause of serum hyperkalaemia in our intensive care unit (ICU),...

Combined High-frequency Ventilation (CHFV) in the Treatment of Acute Lung Injury—A Case Report

The role of ventilatory support in acute lung injury is supportive, whilst the damage to alveolar-capillary membranes resolves and alveolar stability is restored. The optimum mode of support varies with individual patients, but none can reliably prevent progression of acute lung injury and high frequency ventilation (HFV) has been...

A Case Series of Paget’s Disease of Bone: Diagnosing a Rather Uncommon Condition in Singapore

Sir James Paget’s description in 1877 of “a form of chronic inflammation of bones” which now bears his name was based entirely on clinical and pathological observations in patients with advanced disease. Today, more than a century later, advanced imaging techniques and biochemical tests have allowed us to identify...

Ergotism and Vascular Insufficiency: A Case Report and Review of Literature

Toxicity from ergot and its derivative is well known. Great epidemics occurred during the middle ages due to consumption of rye contaminated with the fungus, Claviceps purpurea, which elaborates the ergot alkaloids. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Systemic Sclerosis in DRw52-positive Silica-exposed Males: A Case Report

Familial scleroderma was first documented in 1953 by Rees and Bennett who described the occurrence of a localised disease in a father and daughter. The first documentation of familial systemic disease was by Orabona and Albano who reported its occurrence in two sisters some five years later. This article is...

Subclavian-oesophageal Fistula as a Complication of Foreign Body Ingestion: A Case Report

Ingested foreign bodies are a common condition in the practice of Otolaryngology. In particular, there is no doubt a greater tendency in the local community to consume fish without it being de-boned. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

A Case Report of a Patient with Bronchial Carcinoid Tumour and Late Presentation of Cushing’s Syndrome

Cushing’s syndrome is usually easy to recognise clinically. Determining the cause of non-iatrogenic Cushing’s syndrome is, on the other hand, often a diagnostic enigma. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Traumatic Dislocation of the Testes

Traumatic dislocation of the testes is uncommon. The first case was reported by Claubry in 1818 in Paris, when a 20-year-old soldier was run over by a wagon resulting in bilateral suprapubic dislocation of his testes. This article is available only as a PDF. Please click on “Download PDF” on...

A Case of Accelerated Development of Proliferative Diabetic Retinopathy in a Woman with Type 2 Diabetes Mellitus after Pregnancy

Diabetic retinopathy is the leading cause of blindness in persons between the age of 24 and 64 years both in the US and the UK. Peak fertility and childbearing years correspond to the first half of this period. This article is available only as a PDF. Please click on “Download...

Trilateral Retinoblastoma—A Case Report

Retinoblastoma is the third most common tumour in childhood. It is inherited genetically. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Recurrent Gigantic Pyogenic Granuloma Disturbing Speech and Mastication: A Case Report and Literature Review

Pyogenic granulomas are common benign fibrovascular growths of the oral cavity that are non-neoplastic in nature. They may also present as skin lesions. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Verrucous Haemangioma—A Case Report

Verrucous haemangioma is an uncommon congenital vascular malformation which may grow to large sizes. It has a characteristic hyperkeratotic and verrucous surface which resembles angiokeratoma circumscriptum. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Are Antacids Necessary as Routine Prescriptives with Non-steroidal Anti-inflammatory Drugs?

Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly used for their analgesic or anti-inflammatory properties in musculoskeletal pain. However, they are not without adverse effects, such as abdominal pain, diarrhoea, nausea and fluid retention, which are reported to occur in 30% of people taking NSAIDs. This article is available only as a...

A Case of Sulindac-induced Enteropathy Resulting in Jejunal Perforation

Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used for the treatment of various rheumatic conditions including rheumatoid arthritis (RA). The adverse effects of NSAIDs on the upper gastrointestinal tract (GIT) are well known and well described. This article is available only as a PDF. Please click on “Download PDF” on top...

Musculoskeletal Pain Clinic in Singapore—Sacroiliac Joint Somatic Dysfunction as Cause of Buttock Pain

Patient A, a 33-year-old male administrative coordinator presented with left buttock pain of 4 to 5 years duration which radiated down to the leg and lower back. There was no antecedent trauma. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

9th Seah Cheng Siang Memorial Lecture: Gastric Cancer—Where are we now?

The last two decades have witnessed dramatic changes in the understanding of gastric cancer: a rapid decline in global incidence, its association with Helicobacter pylori gastritis, and the new information regarding its molecular biology. Nevertheless, gastric cancer remains the second commonest cancer in the world in terms of morbidity...

Osteoid Osteoma after a Stress Fracture of the Tibia: A Case Report

A 24-year-old man complained of left leg pain following 3 months of infantry training 6 years ago. There was no previous complaint of pain over his left leg and there was no trauma. This article is available only as a PDF. Please click on “Download PDF” on top to view...

Reconstruction of a Supinated Hypoplastic Thumb with Combined Huber Transfer and Derotation Osteotomy: A Case Report

A 6-year-old Chinese girl presented with a deformity of the left thumb since birth. Her father has a similar deformity. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Incessant Ectopic Atrial Tachycardia and Tachycardia-related Cardiomyopathy: Therapeutic Options and Potential for Cure

Incessant ectopic atria tachycardia (IEAT) is a rare and insidious arrhythmia which is frequently misdiagnosed and if untreated, leads to ‘exhaustion’ of the myocardium and result in tachycardia-related cardiomyopathy. Early strategies to manage this problem such as pharmacological therapy to either block the atrioventricular node or suppress the ectopic...

A Case Report of Adult T-Cell Leukaemia/Lymphoma (ATLL)

Our patient was a 71-year-old Chinese man who presented with a 6-year history of recurrent papular erythematous eruptions to the dermatologist. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Haemorrhage into Non-functioning Adrenal Cysts—Report of Two Cases and Review of the Literature

Doran, in 1903, reported the first case of adrenal cyst described by Greiselius in 1670. It was not until 1966 that Foster reported the 220th case. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Chronic Subdural Haematoma Presenting with Transient Ischaemic Attacks— A Case Report

Transient ischaemic attacks (TIA) are commonly seen in neurologic practice. They are most commonly associated with cerebrovascular insufficiency, either from a thrombotic or embolic occlusion of a cerebral artery. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Chryseobacterium meningosepticum (Flavobacterium meningosepticum)—A Report of Five Cases in a Local Hospital

Chryseobacterium meningosepticum has been known to be a causative agent of meningitis particularly in the premature and newborn infants. The first case of human infection with this organism was reported by King in 1959. This article is available only as a PDF. Please click on “Download PDF” on top to...

Bullous Dermatomyositis Associated with Nasopharyngeal Carcinoma —A Case Report

Bullous dermatomyositis is a rare variant of dermatomyositis and has been reported in the literature. It is believed to be strongly associated with the presence of a malignancy. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Case Reports of Linear IgA Bullous Dermatosis of Childhood

Linear IgA bullous dermatosis of childhood (LADC) is an acquired subepidermal blistering disorder of young children which is characterised by the unique finding of linear deposits of IgA along the dermoepidermal junction. It usually occurs acutely in pre-school children and has been described in association with a variety of...

Atypical Mycobacterium Infection with Sporotrichoid Spread in a Patient with Human Immunodeficiency Virus

Mycobacteria other than tubercle bacilli (MOTT) were shown to be agents of human disease in the 1950s. They are also known as atypical, environmental or opportunistic mycobacteria. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Midface Distraction Osteogenesis in Cleft Patients: A Case Report

The aetiology of midfacial hypoplasia in patients with cleft lip and palate has been attributed in the literature to the surgical procedures used for the primary correction of these deformities. Ross reported that approximately 25% of patients developed maxillary hypoplasia that was refractory to orthodontic management alone. This article is...

A Case Report of a Vital Replanted Tooth with Unfavourable Extra-alveolar Condition: A 10-Year Follow-up

Tooth avulsion, frequently of the maxillary central incisors, occurs most often in children from 7 to 9 years of age, when the periodontium surrounding the immature erupting teeth is loosely structured, providing minimal resistance to extrusive forces. Falls against hard objects, including those incurred during sports activities, are one...

Odontoameloblastoma: Report of a Case

Ameloblastoma is a benign but locally invasive tumour that affects the jaws. Although it is commonly regarded as a homogeneous group of tumours, detailed investigations have proven its clinicopathologic diversity. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Oral Manifestations of Schimmelpenning Syndrome: Case Report and Review of Literature

Schimmelpenning syndrome (SS) is characterised by specific skin manifestations, skeletal defects, and central nervous system abnormalities, such as mental deficiency and seizures. Happle has shown that a clinical entity known as “epidermal nevus syndrome”, formerly used as an alternative term to SS, does not exist. This article is available only...

Selective Laser Sintering: Application of a Rapid Prototyping Method in Craniomaxillofacial Reconstructive Surgery

The value of computed tomography (CT) in craniofacial trauma is now well established with progress in imaging modalities. Three-dimensional (3-D) CT has changed the way craniofacial surgery is planned and its valuable contributions and limitations have been studied. This article is available only as a PDF. Please click on “Download...

Disseminated Penicillium marneffei Infection: A Report of Five Cases in Singapore

Penicillium marneffei is a dimorphic fungus that can cause infection in immunocompromised hosts. Reports on infection with this organism were initially uncommon, but after the first report of disseminated P. marneffei infection in a HIV-infected individual from Bangkok in 1989, the incidence has increased markedly, almost exclusively in patients...

Extraarticular Villonodular Synovitis of the Tendoachilles: A Case Report

Pigmented villonodular synovitis is a progressive synovial lesion of uncertain aetiology associated with synovial-lined tissues of the joints, tendon sheaths and bursae. The incidence was 1.8 patients per million population. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Embolisation of a Leaking Pseudoaneurysm of the Main Artery Supplying a Replanted Arm: A Case Report

Pseudoaneurysms are conventionally treated by surgery. In recent years, non-surgical methods are being considered, including embolisation with wires, coils or gelfoam and anticoagulation. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Selective Serotonin Reuptake Inhibitor Discontinuation Symptoms

Selective serotonin reuptake inhibitors (SSRIs) are a new class of antidepressants which are effective, better tolerated with less side effects and more specific in receptor activity than the older tricyclic antidepressants. However, like tricyclic antidepressants and other groups of antidepressants such as the monoamine oxidase inhibitors (MAOIs) and the...

Palatal Myoclonus—A Case Report

Palatal myoclonus is a rare movement disorder characterised by rhythmic recurring jerky movements of the soft palate, pharynx, larynx and rarely diaphragm, trunk and limb muscles. It usually develops secondary to brainstem or cerebellar disease (symptomatic palatal myoclonus) interrupting the central tegmental tract or dentato-olivary fibres. This article is available...

Soft Tissue Chondroma in the Finger: A Case Report and Review of the Literature

Chondromas are the most common bony tumours in the hand. However, soft tissue chondromas are relatively uncommon entities. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

The Use of Magnesium Sulphate in the Intensive Care Management of an Asian Patient with Tetanus

A 29-year old Thai construction worker, previously well, was admitted to our Orthopaedic Department for sudden onset of lower back pain. Physical examination showed severe tenderness in the lumbar region, limited straight leg raising but no neurological deficit. This article is available only as a PDF. Please click on “Download...

Life-threatening Perineal Gangrene from Rectal Perforation Following Colonic Hydrotherapy: A Case Report

Alternative medicine has become widely publicised throughout the world. Alternative medicine practitioners (AMPS), which include Oriental medicine doctors, traditional Chinese medicine practitioners, naturopaths and Ayurvedic medicine practitioners, tout the ability to heal many diseases using treatments which are unconventional and of questionable scientific basis. This article is available only as...

A Case Series of Falciparum Malaria-induced Acute Renal Failure

Predominantly a disease of hot and humid climates, malaria affects 270 million people worldwide annually, and has a mortality rate of 1%. The increasing morbidity and mortality attributable to malaria in recent years follows the loss, in the early 1970s, of the impetus and impact of the initial WHO...

Eccrine Porocarcinoma: A Case Report

Porocarcinoma is a rare malignant tumour, arising from the intra-epidermal ductal portion of the eccrine sweat gland, also known as “acrosyringium”.’ According to the histological typing of skin tumours, it is an eccrine carcinoma that may arise de nova or develop in eccrine poroma, its benign counterpart, as an...

Re-expansion Pulmonary Oedema Following One-lung Ventilation —A Case Report

A 15-year-old female patient weighing 40 kg with asymptomatic but severe scoliosis was admitted for correction of a skeletal deformity via a thoracoscopic anterior release approach and posterior instrumentation. Preoperative assessment revealed good effort tolerance. This article is available only as a PDF. Please click on “Download PDF” on top...

Bilateral Caudate Infarct—A Case Report

The head of caudate nucleus forms a prominent bulge in the lateral wall of the anterior horn of the lateral ventricle. Its blood supply is from the deep penetrators from the middle cerebral and anterior cerebral arteries. This article is available only as a PDF. Please click on “Download PDF”...

Concurrent Chemoradiotherapy in Patients with Locally Advanced Nasopharyngeal Carcinoma of the Undifferentiated Type

Nasopharyngeal carcinoma (NPC) of the undifferentiated type has a unique geographic distribution and is rather different, biologically and aetiologically, from squamous cell cancer of the head and neck. This disease is of epidemiological concern in Singapore, with an age-standardized rate of 18.4 per 100,000 in Chinese males and 7.3...

Diagnosing and Managing Faecal Incontinence

Faecal incontinence is the inability to control the passage of gas, liquid or solid through the anus. Its severity varies from infrequent passage of gas to persistent lack of control of solid stools. This article is available only as a PDF. Please click on “Download PDF” on top to view...

Cancer Gene Therapy—Fantasy or Foresight?

Genes define life, at least in its biological sense. The prospect of being able to manipulate human biological processes through genetic engineering understandably evokes a sense of excitement and omnipotence. Indeed, the birth of recombinant DNA technology in the 1970s immediately opened the floodgates for the successful manipulation of...

A Preliminary Study of the Immunohistochemical Detection of a Novel Tumour Marker, 22-1-1 Antigen, in Gynaecological Cancer Specimens

Monoclonal antibodies expressed against specific tumour cells can play a useful role in the study and management of such cancers. Such antibodies have been useful in diagnosis and treatment of certain cancers (as tumour markers) and many such antibodies have now been described. This article is available only as a...

Magnetic Resonance Cholangiopancreatography: Value of Using the Half-Fourier Acquisition Single-Shot Turbo Spin-Echo (HASTE) Sequence

Direct cholangiopancreatography has long been considered the standard of reference for assessment of the biliary tree and is generally safe, reliable and widely available. However, these methods are operator dependant and have the potential for morbidity in some patients (3% to 5%) with complications such as acute cholangitis, pancreatitis,...

3rd Yahya Cohen Lecture: The Role of the Myofibroblast-Like Cell in Hepatocellular Carcinoma—Host Defence?

It is indeed a great honour for me to be named the third Yahya Cohen lecturer and I would like to express my deepest thanks and appreciation to the Academy of Medicine Singapore for having selected me for this award. At this lecture, I would like to share with...

1998 Runme Shaw Memorial Lecture: Somatic Evolution of Cancer

The interpretation of cancer as a somatic evolutionary process involving genetic mutation followed by selection, goes back to the early years of this century. Boveri’s hypothesis put forward in 1914 that cancer was associated with abnormalities of the chromosomes and Tyzzer and Strong’s experiments of transplantable tumours in 1916...

Acute Mercury Vapour Poisoning in a Shipyard Worker—A Case Report

Despite improvements in industrial working conditions, mercury remains second only to lead as a cause of heavy metal poisoning. Cases of poisoning by inhaled mercury vapour, though rare, are well documented in the literature. This article is available only as a PDF. Please click on “Download PDF” on top to...

Hepatopulmonary Syndrome: A Rare Complication of Chronic Liver Disease in Children

Children with chronic liver disorders may present with dysfunction of other organ systems. Encephalopathy, gastrointestinal bleeding, failure to thrive and impaired renal function are some such findings in these children1 Mild to moderate hypoxaemia is also well described in children with chronic liver disease. This article is available only as...

Radial Nerve Injury after Intravenous Cannulation at the Wrist—A Case Report

A 44-year-old male, right-handed and ASA 1 bus driver presented for elective mastoidectomy under general anaesthesia. Preoperative venous cannulation with a 20G cannula (Angiocath™) was first attempted on the dorso-lateral aspect of the right wrist at the base of the anatomical snuffbox. This article is available only as a PDF....

Case Report: Percutaneous Balloon Dilatation and Ureteral Stenting for Tuberculous Renal Infundibular and Ureteral Strictures

The management of the non-functional tuberculous kidney is controversial and ranges from surgical intervention to conservative treatment. Intra-renal scarring with stricture formation is common in the late stages of renal tuberculosis and results in greater loss of renal function than direct involvement by tuberculosis alone. This article is available only...

Extensor Pollicis Longus Paralysis Following Thoracoscopic Sympathectomy

A 24-year-old man was referred for hyperhidrosis of more than 15 years duration. It affected both hands, feet and axilla. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Prognostic Factors in Endometrial Carcinoma

In the United States of America, endometrial carcinoma is the most common cancer of the female genital tract and has an annual incidence of 72 per 100,000 women. In Singapore it is the third most common female genital tract cancer after cancer of the cervix and ovary. This article is...

Continuous Infusion 5-fluorouracil as Salvage Chemotherapy in Patients with Advanced Colorectal Cancer

Studies have shown beyond doubt that chemotherapy for metastatic colorectal cancer prolongs survival, impedes progression and stabilises disease. Compared with supportive care alone, it could also provide considerable benefits in terms of improved quality of life. This article is available only as a PDF. Please click on “Download PDF” on...

Standard Oesophageal Manometry in Healthy Adults in Singapore

Although standard oesophageal manometry has been widely used in the West for many years, normal manometric values that have been well described for healthy volunteers in the West may not be applicable to this part of the world. Such normal values vary between investigators, even within the same study...

Effect of Antiangiogenic Agents on Experimental Animal Models of Hepatocellular Carcinoma

Metastatic spread is the principal reason of treatment failure in solid tumours. Surgery, radiation therapy and chemotherapy have not manifestly altered the prognosis for metastatic tumours. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Gut Barrier Dysfunction in Experimental Acute Pancreatitis

Bacterial infections are devastating and potentially lethal complications of acute pancreatitis, responsible for up to 80% of deaths in the condition. Pathogenetic studies of acute pancreatitis imply that the disease is initially a non-bacterial insult and that secondary sepsis frequently occurs during the progression of pancreatitis, concomitant with the...

Experimental Models of Pancreatitis

From a historical perspective, the first experimental pancreatitis was induced by Claude Bernard in 1856 by the injection of bile and olive oil into the canine pancreatic duct, thus producing an acute necrotising pancreatitis. Since that time, acute experimental pancreatitis has attracted thousands of researchers, who employ animal models...

Murine Metastatic Tumour Models for Cancer Gene Therapy Research

In the evaluation of any new cancer treatment, the use of appropriate experimental animal tumour models to bridge the gap between in vitro discovery and its eventual clinical testing is an important step. In vitro experimentation does not take into consideration the complex biological interplay among the host tissues,...

Experimental Models of Hepatic Fibrosis in the Rat

Hepatic fibrosis and cirrhosis of the liver are complex diseases which, in man, may be caused by such varied factors as alcohol, hepatitis, schistosomiasis, biliary atresia, malnutrition and exposure to carcinogens and hepatotoxins. Although hepatic fibrosis is characterised by the massive deposition of extracellular matrix components in the liver...

Development of the Human Intrahepatic Biliary System

The development of the human biliary system has been studied extensively. This knowledge is essential to the understanding of the pathogenesis of a spectrum of diseases termed “ductal plate malformation” (DPM). This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

An Animal Model for the Study of Hepatic Stellate Cell and Hepatocellular Carcinoma Interaction

Hepatic stellate cells (HSC) are mesenchymal cells that are prominent in various forms of liver injury, in particular with cirrhosis or carbon tetrachloride-induced fibrosis. HSC are also being increasingly reported around and within hepatocellular cancers (HCC), and have been thought to be responsible for the capsule formation in these...

Experimental Study of Hypovolaemic Shock-Induced Gastric Mucosal Lesions in the Rat

Hypoxic tissue injury is not only caused by lack of oxygen as was previously believed. Now it is clear that tissue injury associated with hypoxia occurs to a large extent in the post-hypoxic reoxygenation period. This article is available only as a PDF. Please click on “Download PDF” on top...

The Role of Mast Cell Degranulation in Ischaemia-reperfusion-induced Mucosal Injury in the Small Intestine

Although a number of data support the notion that mast cell (MC) degranulation Is an important component of the tissue response elicited by ischaemia-reperfusion, the role of the gastrointestinal MC system in the pathophysiology of postischaemic mucosal barrier lesions is still poorly understood. The mucosal MCs (MMCs) of the...

Synergistic Effect of Hepatitis B Virus and Aflatoxin B1 in Hepatocarcinogenesis in Tree Shrews

Primary hepatocellular carcinoma (HCC) is one of the commonest cancers in some parts of the world including several areas in China. The geographically distinct distribution of HCC indicates there are some special factors which play key roles in hepatocarcinogenesis. This article is available only as a PDF. Please click on...

The Expression of Insulin-like Growth Factor II, Hepatitis B Virus X Antigen and p21 in Experimental Hepatocarcinogenesis in Tree Shrews

Hepatocarcinogenesis is a multistage and multifunctional process. Epidemiological studies indicate that contamination of food with aflatoxin B, (AFB,) and chronic infection with hepatitis B virus (HBV) are the major risk factors for human primary liver cancer. This article is available only as a PDF. Please click on “Download PDF” on...

Direct Mucosal Targeting of Colonic Receptors by Prokinetic Drugs in an Experimental Model

The direct intraluminal (IL) administration of drugs into the intestine may have an important regional action and therefore clinical implications in the effective management of functional bowel disorders. We have previously published findings in the anaesthetised in vivo pig, that cisapride and mebeverine when infused IL into the sigmoid...

Echocardiographic Features and Management of Neonatal Ductal Aneurysm

Previously thought to be a rare condition, aneurysms of the ductus arteriosus have been increasingly reported in the medical literature over the past few years. It has been noted as an incidental finding in autopsy, echocardiography and angiography, but can present with symptoms of cough, dyspnoea, hoarseness of voice...

An Unusual Tumour Metastasis to the Cervix

A 55-year-old Chinese lady had a left mastectomy in April 1995 for an invasive lobular carcinoma of the breast. Axillary lymph node metastases were present. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Perioperative Wheezing—A Report of Three Cases

Perioperative “wheezing” can be due to upper or lower airway obstruction. The signs and sounds of upper airway obstruction are typically worse during inspiration, whereas those of lower airway obstruction are worse in expiration. This article is available only as a PDF. Please click on “Download PDF” on top to...

Retroperitoneal Castleman’s Disease in the Perinephric Space—Imaging Appearance: A Case Report and a Review of the Literature

Castleman’s disease (CD) was first proposed by Castleman in 1954. It is usually found in the mediastinum, but other sites have been described. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Report: Persistent Acantholytic Dermatosis in Chronic Renal Failure

A 70-year-old Chinese man with end-stage renal failure (ESRF), who has been on continuous ambulatory peritoneal dialysis for 6 months, was referred by the renal physician for pruritic rashes over the scalp and chest. The rashes were first noted about 3 months ago. This article is available only as a...

Beneficial Effect of Combination Therapy with Ozagrel and Pranlukast in Exercise-induced Asthma Demonstrated by Krypton-81m Ventilation Scintigraphy—A Case Report

Exercise is a common stimulus of bronchoconstriction in subjects with asthma. Exercise-induced asthma is a temporary increase in airway resistance that occurs after several minutes of strenuous exercise, usually after the exercise has ceased. This article is available only as a PDF. Please click on “Download PDF” on top to...

The Use of the Laryngeal Mask Airway in Post-Tonsillectomy Haemorrhage—A Case Report

A 53-year-old man with a history of hypertension and asymptomatic Wolff-Parkinson-White syndrome was admitted to the hospital for an elective uvulopalatopharyngoplasty, tonsillectomy and bilateral functional endoscopic sinus surgery for mild obstructive sleep apnoea and chronic sinusitis respectively. He weighed 109 kg, all his four upper incisors were missing and...

Primitive Neuroectodermal Tumour of the Chest Wall—A Report of Two Cases and Review of Literature

Tumours of the chest wall are uncommon and are usually sarcomatous in nature. Primitive neuroectodermal tumours (PNETs) are rare and are thought to arise from neuroepithelial cells, possibly derived from the peripheral intercostal nerves. They could also arise from the neural crest cells, which have migrated alongside the peripheral...

Squamous Cell Carcinoma arising in a Cutaneous Epidermal Cyst—A Case Report

Epidermal cysts are common benign subcutaneous lesions. Malignant transformation in epidermal cysts is a rare but recognised occurrence. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Otogenic Lateral Sinus Thrombosis—A Case Report

A 16-year-old boy, with a background history of beta-thalassaemia intermedia, splenectomy and hypogonadotrophic hypogonadism, was referred to our otolaryngological clinic for right otalgia following an episode of upper respiratory tract infection (URTI). He had hearing loss with tinnitus in the right ear, nasal obstruction with greenish nasal discharge and...

Extended Resection of Locally Advanced (T4) Stomach Cancer

Cancer is the most common cause of death in Singapore. Although there is a gradual decline in incidence of stomach cancer over the years, it is the third (10.1%) most common cancer in males and the fifth (6.5%) most common cancer in females in Singapore. This article is available only...

Antineutrophil Cytoplasmic Antibodies (ANCAs) in Patients with Inflammatory Bowel Disease Show No Correlation with Proteinase 3, Lactoferrin, Myeloperoxidase, Elastase, Cathepsin G and Lysozyme: A Singapore Study

The diagnostic tests currently employed to diagnose inflammatory bowel disease (IBD) and to differentiate between Crohn’s disease (CD) and ulcerative colitis (UC) are both expensive and invasive. Serological markers that are easily applied which can distinguish between CD and UC with comparable sensitivity and specificity are lacking. This article is...

Design of Phase I and II Clinical Trials in Oncology and Ethical Issues Involved

Drug development is costly and time-consuming in terms of economic, patient and research resources. An integrated effort involving academia, industry, and regulatory authorities is needed to ensure novel, effective therapies continue to be approved for clinical use. This article is available only as a PDF. Please click on “Download PDF”...

Case Reports: The Use of Intermaxillary Screws to Achieve Intermaxillary Fixation in the Treatment of Mandibular Fractures

The mandible is a unique bone in the human skeleton and occupies a prominent position in the craniofacial region. Traumatic injury to the face, especially in the lower third, may result in fractures of the mandible. This article is available only as a PDF. Please click on “Download PDF” on...

Pseudomembranous Tracheobronchitis Caused by Aspergillus in a Patient after Peripheral Blood Stem Cell Transplantation

Pseudomembranous tracheobronchitis caused by Aspergillus is a rare and lethal variant of invasive aspergillosis. It has been reported in a few series of immunocompromised patients. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Treatment of Chronic Urticaria with Thyroxine in an Euthyroid Patient with Thyroglobulin and Microsomal Antibodies

Chronic urticaria is defined as daily outbreaks of urticaria of at least 6 weeks duration. Despite being a common disorder, the cause of chronic urticaria is often obscure and not easily treatable. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Hard Metal Lung Disease—The First Case in Singapore

A 38-year-old Chinese man and lifetime non-smoker, who had previously been well, was referred for investigation of bilateral reticulonodular infiltrates noted on his chest roentgenogram. He had experienced progressive dyspnoea on exertion associated with cough productive of whitish sputum for 6 months preceding this evaluation in April 1998. This article...

A Case Report of the Use of Magnesium Sulphate during Anaesthesia in a Patient who had Adrenalectomy for Phaeochromocytoma

Phaeochromocytomas are catecholamine-secreting tumours of the chromaffin cells of the body derived from neural crest tissue. They may secrete both adrenaline and noradrenaline in varying proportions. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Sandhoff Disease—A Case Report of 3 Siblings and a Review of Potential Therapies

Sandhoff disease is a rare inborn error of metabolism characterised by the absence of both β-hexosaminidase A and B, resulting in an accumulation of G<sub>M2</sub> gangliosides, particularly in the neuronal cells. The infantile form, similar to Tay Sach’s disease, may present in the first year of life with an...

A Case Report on the Perinatal Management of a 30-week Preterm Baby with Congenital Complete Heart Block

The association between congenital complete heart block (CHB) and maternal autoimmune disorders has been described for many years. Maternal systemic lupus erythematosus (SLE) is the commonest of these disorders, and a leading cause of heart block in newborns. This article is available only as a PDF. Please click on “Download...

Spectrum of Abnormal Mammographic Findings and Their Predictive Value for Malignancy in Singaporean Women from a Population Screening Trial

While screening mammography can detect early breast cancers, a significant proportion of asymptomatic women are subject to unnecessary workup and surgery when biopsies for abnormal mammograms are proven to be benign on histology. An accurate correlation between abnormal mammographic features detected on screening and their corresponding histology or predictive...

Hereditary Breast Cancer: A Brief Overview

Worldwide, breast cancer is the third most common form of cancer, after lung and stomach cancer, and it is the most common form among women.1 The age-adjusted incidence rates of breast cancer are 176% higher in developed than developing countries. This article is available only as a PDF. Please click...

Update of Genetics in Colorectal Carcinomas: Genomic Instability and Somatic Evolution

The hypothesis that carcinogenesis occurs through stepwise accumulation of mutations1 has now been generally accepted. However, there is continual dispute over how carcinogenesis can be achieved over the lifetime of an individual. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Subcutaneous Emphysema and Pneumomediastinum after Endotracheal Anaesthesia

Pneumomediastinum is a well-recognised clinical entity. It may present either intraoperatively or postoperatively from a number of possible causes. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Candida Arthritis in a Premature Infant Treated Successfully with Oral Fluconazole for Six Months

Candida arthritis in premature infants is regarded as a rare condition. The largest published series of 8 cases from one institution was from Bombay, India. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

An Unusual Case of Cutaneous Vasculitis

A 49-year-old Chinese man presented at the Tan Tock Seng Hospital with painful gangrene of the right second and left third and fourth toes for 6 weeks, purple discolouration of the toes for 3 months and arthritis of the left knee for 3 months. This article is available only as...

A Case Report of Aspergillus Hypersensitivity Syndrome with Obstructing Bronchial Aspergillosis

The spectrum of pulmonary aspergillosis includes saprophytic colonisation, hypersensitivity syndromes and invasive lung disease. There has been a tendency to classify these syndromes as separate entities but clinical overlap occurs. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Upper Airway Resistance Syndrome—Report of Three Cases

Sleep-related breathing disorders are widely recognised as important causes of morbidity and mortality over the past 3 decades. The obstructive sleep apnoea syndrome (OSAS) and the sleep hypopnoea syndrome are well-known and well-described breathing disorders during sleep. This article is available only as a PDF. Please click on “Download PDF”...

Muscle Dysmorphia in a Young Chinese Male

In 1891, Morselli described “dysmorphophobia” in 78 patients who were severely miserable, preoccupied and distressed by perceived deformities. The word “dysmorphia” in Greek means ugly. Body dysmorphic disorder appeared in DSM-III in 1987. This article is available only as a PDF. Please click on “Download PDF” on top to view...

Pseudomembranous Colitis in a Patient Treated with Paclitaxel for Carcinoma of the Breast: A Case Report

Paclitaxel was discovered in 1963 as a crude extract from the bark of the pacific yew Taxus brevifolia. Since its development, a range of anticancer activity has been demonstrated. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Active Management of a Patient with Endstage Pulmonary Emphysema Using Lung Volume Reduction Surgery and Intensive Rehabilitation

A 65-year-old Chinese man with a 30-pack year history of cigarette smoking was referred to our institution for further management of chronic obstructive pulmonary disease (COPD). Despite smoking cessation for 5 years, and pharmacological treatment with oral theophylline, inhaled ipratropium bromide and ventolin, his dyspnoea had progressed to the...

Case Reports of Nocardiosis in Patients with Human Immunodeficiency Virus (HIV) Infection

Nocardiosis is an infection caused by a soil-borne aerobic filamentous bacterium in the genus Nocardia and the order Actinomycetales. Within the genus Nocardia, N. asteroides, N. brasiliensis and N. caviae are responsible for nearly all nocardial infections in man. This article is available only as a PDF. Please click on...

Neonatal Lupus Erythematosus: Our Local Experience

Neonatal lupus erythematosus (NLE) is related to the transplacental passage of anti-Ro antibodies from mother to foetus. The commonest manifestations involve the skin and the heart. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Report of Total Finger Joint Replacement Arthroplasty After Traumatic Amputation

A 41-year-old Chinese man had his dominant thumb, index and middle fingers caught by a wood-cutting machine while at work. He sustained a near-amputation of his middle finger through the proximal interphalangeal joint (PIPJ), with an intra-articular comminuted fracture of the head of the proximal phalanx (Fig. 1a) and...

Endobronchial Mass in a Patient with Burkholderia pseudomallei Infection

The diagnosis of Burkholderia pseudomallei infection is based on culture of clinical specimens such as blood or other body fluids, or serology using indirect haemagglutination (IHA) test and various antigen detection tests. Gram stain shows a bipolar “safety-pin” pattern or small gram-negative rods. This article is available only as a...

Lichen Amyloidosus: A Bullous Variant

Systemic amyloidosis, first reported in 1886, is characterised by deposits of amyloid in various organs including the skin, which may manifest as skin purpura, papules, nodules and occasionally bullae (termed bullous amyloidosis in the literature), predominantly distributed over the periorbital and intertriginous areas. In contrast, lichen amyloidosus is solely...

Diagnosis of Pacemaker Lead Infection Using Transoesophageal Echocardiography: A Case Report

The expanding indications for permanent cardiac pacing mandate an awareness of the potential complications associated with device implantation. After failure of pacing and sensing, infection is the most frequent pacemaker-related complication, with reported rates of between 1% to 7% in older studies1 and <1% in more recent series. This article...

Survival of Colorectal Cancer Patients in Singapore by Anatomic Subsite: A Population-based Study

Colorectal cancer incidence rates rank second in most developed countries and have been rising rapidly in urban societies of East Asia. Despite much effort to detect early-stage disease and to explore more effective treatment methods, the overall 5-year survival rate has remained around 40% based on the reports from...

Pathology of Ductal Carcinoma In situ of the Breast: A Heterogeneous Entity in Need of Greater Understanding

Breast cancer is the commonest malignancy in Singapore women, with an age-standardised rate of 46.1 per 100,000 per year and an annual increase in incidence of 3.68%. It comprises 22.8% of all local female cancers, with an annual mortality of 13.7 per 100,000 per year. This article is available only...

Shigella Septicaemia in Adults: Report of Two Cases and Mini-Review

Shigellosis is generally considered to be confined to the gastrointestinal tract. Septicaemic infections with Shigella species are extremely rare in adults. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Human Immunodeficiency Virus Infection Presenting with Chronic Actinic Dermatitis: A Case Report

A 40-year-old Chinese man of skin phototype III (Table I), formerly a welder in a shipyard, presented with pruritic papules on his face, neck and arms of 3 years’ duration. He had noted sun-aggravation and had ceased working for 3 months. This article is available only as a PDF. Please...

Listeria Meningoencephalitis: Two Cases and a Review of the Literature

The general experience of local physicians and available data suggest that listerial infections of the central nervous system (CNS) are uncommon among adults in Singapore. This situation may change. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Histoplasmosis Presenting with Progressively Worsening Backache—A Case Report

A 55-year-old man presented with intermittent low back pain of 2 months’ duration which was progressively worsening, fever, anorexia and a 10-kg weight loss. He has travelled several times in the past few years to caves in Kuala Lumpur for worship. This article is available only as a PDF. Please...

Panhypopituitarism due to Pituitary Cyst of Rathke’s Cleft Origin—Two Case Reports

Rathke’s cleft cysts are non-neoplastic cystic epithelial lesions of the sellar and suprasellar region which are thought to originate from the remnants of Rathke’s pouch and are characteristically lined by a single layer of ciliated cuboidal or columnar epithelium with goblet cells. However, foci of squamous epithelium in Rathke’s...

Two Cases of Medullary Thyroid Carcinoma

A 44-year-old Indian man was found to have a raised carcinoembryonic antigen (CEA) (49.5 μg/L) detected on routine medical examination in February 2000. His past medical history included asthma, chronic anal fissure and haemorrhoids, cervical spondylosis and mild hypercholesterolaemia. This article is available only as a PDF. Please click...

Bilateral Synchronous Renal Oncocytoma: A Case Report and Review

Oncocytomas are neoplasms characterised by large epithelial cells with finely granular eosinophilic cytoplasm called oncocytes. They were first described by Zippel in 1942 and have subsequently been identified in the thyroid, parathyroid, salivary and adrenal glands. This article is available only as a PDF. Please click on “Download PDF” on...

Reduction Mammaplasty in the Surgical Management of a Giant Breast Hamartoma: Case Report

Large benign tumours of the breast cause gross enlargement with compression of normal breast tissue. Following removal of the tumour, the affected side has a large redundant skin envelope and the breast volume may be reduced or distorted compared with the normal side. This article is available only as a...

Case Report: Follicular Adenoma in a Thyroglossal Duct Remnant Arising Entirely within the Hyoid Bone

Thyroglossal duct remnant is one of the most common lesions of the anterior midline neck. It occurs in 7% of adults1 and carcinoma is found in less than 1%. The majorities are papillary and mixed papillary-follicular carcinomas, with follicular and squamous cell carcinomas occurring far less frequently. This article is...

A Case Report on the Treatment of Intractable Anal Pain from Metastatic Carcinoma of the Cervix

Unremitting pain remained a primary therapeutic challenge in cancer patients. Both opioids and non-opioids are often the main stay of therapy for many. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Psychiatric Illness, Personality Traits and the Irritable Bowel Syndrome

Irritable bowel syndrome (IBS) is the most common functional gastrointestinal disorder seen by gastroenterologists and has been found to account for 50% of referrals to a Gastroenterology clinic. It has an estimated prevalence of between 15% and 25% in the non-patient population. This article is available only as a PDF....

188Rhenium-TDD-Lipiodol in Treatment of Inoperable Primary Hepatocellular Carcinoma—A Case Report

Hepatocellular carcinoma (HCC) is one of the most malignant tumours. The lack of an effective treatment modality has stimulated the use of selective internal radiation therapy for the treatment of HCC. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

Isolated Non-compaction of Ventricular Myocardium: A Report of Three Cases

Non-compaction of ventricular myocardium is a rare morphogenic arrest of compaction of the ventricular myocardial fibres during intrauterine life. Usually, the left ventricle is more compact and less trabeculated than the right ventricle. This article is available only as a PDF. Please click on “Download PDF” on top to view...

Ossifying Lipoma of the Hand: A Case Report

Lipomata are one of the most common benign tumours in adults, occurring in almost any location of the human body, especially in the subcutaneous region. They are commonly found in the soft tissues of the neck, back and extremities. This article is available only as a PDF. Please click on...

Clinical Update on Helicobacter pylori

Helicobacter pylori is one of the commonest infections in human, affecting 30% to 50% of people worldwide. It is associated with the development of peptic ulcer, chronic gastritis and gastric cancer and may play a role in a small subset of patients with non-ulcer dyspepsia. This article is available only...

A Rare Cause of Syncope in a Patient with Diabetes Mellitus—A Case Report

Hypoglycaemia is a common medical emergency. It presents either with symptoms of neuroglycopaenia, such as episodes of visual blurring, confusion, convulsions and sometimes coma or with symptoms caused by excess of counterregulatory hormones like catecholamines, such as palpitations, sweating and tremulousness. It is most commonly seen in patients with...

Case Reports of Low Dose Cyclosporine A Therapy in Adult Minimal Change Nephrotic Syndrome

There have been many reports on the use of conventional doses of cyclosporine A (CsA) in inducing remission among adults with minimal change nephrotic syndrome (MCNS), including those who fail steroids and cyclophosphamide therapy or who are steroid dependent and frequent relapsers. We report 3 cases which demonstrate the...

Perioperative Treatment with Bactericidal/Permeability-Increasing Protein (rBPI21) in Major Liver Surgery: A Concise Summary

Primary and secondary hepatic malignancies constitute a major health problem. Hepatocellular carcinoma accounts for 90% of all primary hepatic malignancies in the world. While relatively uncommon in Western countries, it is the most prevalent malignant neoplasm in Southeast Asia, South Africa, and many other regions. This article is available only...

Book Review

The third edition of this manual of gastroenterology by regional experts from Malaysia and Singapore consists of 27 short chapters packaged in 2 sections entitled “Luminal gastroenterology and “Hepatobiliary & Pancreas.” In his preface, the editor, Dr Richard Guan, states that “our goal is to provide a resource for...

Mucinous Cystadenoma of the Appendix—An Unusual Cause of Intestinal Obstruction

Mucinous cystadenoma of the vermiform appendix is an uncommon entity. It is a benign lesion but may disseminate and lead to the development of pseudomyxoma peritonei. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Primary Anorectal Malignant Melanoma: Clinical Features and Results of Surgical Therapy in Singapore—A Case Series

Malignant melanoma arising from the anal canal was first described in 1857. It is uncommon, comprising only about 1% of all anal canal tumours. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

46, XY Female—A Case Report

The phenotypic sex of an individual is usually male if that person’s genotype is 46, XY since the SRY gene on the Y chromosome, being the putative testicular determining factor (TDF) governs testicular gonadogenesis. Yet, there are distinct situations where sexual differentiation proceeds along a female phenotype despite the...

A Case Report of Primary Hyperparathyroidism with Severe Bony Involvement and Nephrolithiasis

Primary hyperparathyroidism is said to have evolved from a disease of “bones, stones and groans”, to one that is largely asymptomatic with a relatively benign course in the majority of patients. In a 1981 study, the incidence of radiologically detectable bone disease was found in 24% of patients but...

Case Report: Catheter-Related Epidural Abscess

Epidural abscess complicating epidural catheterisation was first reported in 1974. Two recent studies indicated a local infection incidence of epidural catheters of 4.3% to 12% and about 0.7% are reported to have central nervous system infection e.g. epidural abscess or meningitis. This article is available only as a PDF. Please...

A Case of Alpha-Fetoprotein-Producing Gastric Cancer

A 57-year-old accountant presented to her doctors in a neighbouring country in early October 1998 with problems of easy bruising, bleeding gums, one single episode of gross haematuria and 2 months of back pain. Investigations showed evidence of disseminated intravascular coagulation (DIVC) and compression fracture of T10 vertebra. This article...

Case Report: Acute Tumour Lysis Syndrome

Acute tumour lysis syndrome (ATLS) is one of the most urgent of all oncological treatment-related complications. It has a broad impact on organ dysfunction, the most important and life threatening complication being acute renal failure. Early implementation of preventive measures can have a drastic impact on reducing the associated...

Galeazzi-Equivalent Fracture in Children Associated with Tendon Entrapment—Report of Two Cases

A 12-year-old boy fell whilst running. On examination, there was swelling and deformity of the wrist and there was local tenderness of the distal third of the radius and the distal end of the distal ulna. Movement of all the fingers and thumb were limited by pain. This article is...

Melioidosis Splenic Abscess—An Unusual Presentation as Osteomyelitis of Rib

A 74-year-old Chinese gentleman first presented in February 1999 with an abscess over his left lower chest. He was treated for pulmonary tuberculosis in 1977. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Liver Transplantation in a Child With Severe Hypercholesterolaemia in Alagille Syndrome

Alagille syndrome (AS) or arteriohepatic dysplasia is a genetic disorder transmitted in an autosomal dominant inheritance. The chromosomal abnormality has been identified to the short arm of chromosome 20. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

12th Chapter of Surgeons Lecture: Shifting Paradigms in the Management of Breast Cancer—A Surgical Perspective

The recorded history of breast cancer management spans four millennia. This story about breast cancer management is also one about change, about resistance to and acceptance of change. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Sudden Death Due to Granulomatous Myocarditis: A Case of Sarcoidosis?

Granulomatous myocarditis and sarcoidosis are considered uncommon entities in our local community and sudden death due to either condition has not been described in local literature. Earlier local reports have alluded to the fact that sarcoidosis may be more common amongst Indian females and that more cases may be...

Gemella Empyema Cured without Antibiotics: A Case Report

Gemella are gram-positive anaerobic bacteria that rarely produce serious human infections. We describe a case of thoracic empyema that occurred in an elderly Chinese male which, to our knowledge, is the first reported case out of Southeast Asia. This article is available only as a PDF. Please click on “Download...

Double Omental Hernia—Case Report on a Very Rare Cause of Intestinal Obstruction

Internal hernia is defined as the protrusion of a viscus through a normal or abnormal opening within the confines of the abdominal cavity. This unusual cause of intestinal obstruction occurs in 4% of all cases of acute intestinal obstruction. This article is available only as a PDF. Please click on...

CerbB2 Status in Breast Cancer: Pathologic Issues

The cerbB2 gene, also known as Her2/neu, encodes a transmembrane cell receptor with tyrosine kinase activity and epidermal growth factor receptor homology. All normal and the majority of breast cancer cells contain 2 copies of the cerbB2 gene and produce low levels of the corresponding protein. This article is available...

Cancer Incidence in Singapore, 1998 to 1999

The Singapore Cancer Registry has been monitoring the trends in cancer incidence since 1968. It publishes 5-yearly incidence figures for the periods 1968-1972, 1973-1977, 1978-1982, 1983-1987, 1988-1992 and 1993-1997. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Efficacy and Tolerability of Irinotecan in Patients with Advanced Colorectal Cancer in Singapore

Colorectal cancer is the second most commonly encountered malignancy in the developed countries; in Singapore, it is the commonest cancer. With early detection, patients can be cured with surgery. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case of Pulmonary Haemorrhage Following Jet Ventilation for Vocal Cord Surgery

Laryngospasm occurring at extubation is not an uncommon complication seen with use of endotracheal tubes and laryngeal mask airway. We report a case of laryngospasm on extubation of a Benjamin jet tube resulting in pulmonary haemorrhage. This article is available only as a PDF. Please click on “Download PDF” on...

All that Wheezes is not Asthma—Broncholithiasis, a Forgotten Disease

Asthma is a very common condition which presents clinically with cough, shortness of breath and wheezing. However, ‘all that wheezes is not asthma’, is an important adage not to be forgotten. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

Subdural Block—From a Spinal? A Case Report

There have been multiple reports of accidental subdural blocks published in the last 20 years. Majority of these have been the result of an epidural gone astray, and the lowest reported volume of local anaesthetic used was 3.5 mL. This article is available only as a PDF. Please click on...

The Mastectomy Clinical Pathway: What Has It Achieved?

In an era of increasing healthcare cost and scarce resources, the tension between the cost and quality of healthcare demands not only effective but also cost-efficient healthcare systems. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Agreement or Prediction: Asking and Answering the Right Question

In an article published in this journal, Chia discusses the difference between measuring association and agreement. In this paper, we extend the discussion to the difference, in terms of the concepts as well as the practical usage, between analysing agreement and prediction. This article is available only as a PDF....

Preliminary Experience in Radionuclide Therapy of Hepatocellular Carcinoma Using Hepatic Intra-arterial Radio-conjugates

Hepatocellular carcinoma (HCC) is a common malignancy worldwide. In Singapore, the age-standardised incidence rate is 18.9 per 100,000 per year. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Four Pregnancies in Two Patients with Essential Thrombocythaemia—A Case Report

Essential thrombocythaemia (ET) is a rare myeloproliferative disease which manifests with an elevated platelet count. It presents predominantly in the middle-aged population, occurring slightly more frequently in women than men. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

The Course of Pregnancy in a Patient with Nail-Patella Syndrome

The nail-patella syndrome (NPS) is a rare autosomal dominant disorder defined by the association of nail dysplasia, bone abnormalities and, frequently, renal disease. We report the course of pregnancy in a patient with such a condition. This article is available only as a PDF. Please click on “Download PDF” on...

Case Report on Recombinant Coagulation Factor VIIa in the Treatment of Three Haemophilia A Patients with Inhibitors in Singapore

Development of inhibitors against factor VIII is one of the main complications in the treatment of haemophiliacs. Inhibitors block the procoagulant effects of factor VIII and prevent the successful arrest of bleeding episodes when administered to these haemophiliacs. This article is available only as a PDF. Please click on “Download...

Unusual Endolaryngeal Extension of a Large Thyroglossal Duct Cyst

Thyroglossal duct cysts are the most common nonodontogenic cysts that occur in the neck. They can be complicated by infections and fistulae. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Visual Rehabilitation with New-Age Rigid Gas-Permeable Scleral Contact Lenses—A Case Series

Advanced primary corneal ectasia presents a difficult problem in terms of visual rehabilitation. Soft contact lenses do not address the astigmatic aberrations in these conditions and conventional rigid gas-permeable (RGP) corneal contact lenses though useful in less severe disease, are poorly tolerated by those with progressively worsening keratoconus and...

Allopurinol Hypersensitivity Syndrome and Acute Myocardial Infarction—Two Case Reports

Allopurinol hypersensitivity syndrome is an idiosyncratic drug reaction characterised by an acute and severe multiorgan disease. It usually begins 2 to 6 weeks (up to 3 months) after starting allopurinol. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Adrenal Myelolipoma Presenting with Spontaneous Retroperitoneal Haemorrhage Demonstrated on Computed Tomography and Angiogram—A Case Report

Adrenal myelolipoma is a rare, benign tumour, usually an incidental finding. Spontaneous retroperitoneal haemorrhage resulting from this tumour is rare. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Anaesthetic Considerations for Lung Volume Reduction Surgery—A Case Report

Only until a few years ago, the only surgical alternative for patients with severe emphysema was lung transplantation. However, with transplantation, there are problems of rejection, infection, immunosuppression and declining donor pools. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Current Status in the Surgical Management of Adult Polycystic Liver Disease

Adult polycystic liver disease (APLD) is a rare benign condition that is characterised by the growth of multiple cystic lesions in the liver. More commonly, it occurs in close association with autosomal dominant polycystic kidney disease (ADPKD), where the prevalence increases from 25% in the third to 80% in...

Paediatric Extracranial Germ Cell Tumours: A Retrospective Review

Germ cell tumours (GCTs) in children account for 2% to 3% of childhood malignancies. They arise from primordial germ cells and constitute a heterogeneous group of tumours. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Re: 188Rhenium-TDD-Lipiodol in Treatment of Inoperable Primary Hepatocellular Carcinoma—A Case Report

Hepatocellular carcinoma (HCC) is a common malignancy that is best treated by surgery. However, in the vast majority, surgery is not possible and alternative treatment options have to be attempted. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Report of Neurologically Unstable Fracture of the Lumbosacral Spine in a Patient with Ankylosing Spondylitis

Ankylosing spondylitis is associated with progressive ossification of the spinal ligaments and ankylosing of the facet joints leading to a totally stiff spine. It is often associated with osteoporosis due to chronic inflammation and disuse. This article is available only as a PDF. Please click on “Download PDF” on top...

Two Case Reports on Incessant Left Ventricular Tachycardia: Curative Therapy with Radiofrequency Ablation

Left ventricular tachycardia is a recognisable condition in patients with otherwise structurally normal heart. It may arise from various foci in the left ventricle. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Embolisation of a Renal Artery Pseudoaneurysm in a Patient with Renal Malrotation and Chronic Aortic Dissection

A 40-year-old Chinese male presented with severe right loin pain. He had a history of chronic abdominal aortic dissection of unknown aetiology. He was not hypertensive and there was no evidence of ankylosing spondylitis, Ehlers-Danlos syndrome or any connective tissue disorder. This article is available only as a PDF. Please...

Acute Embolic Occlusion of the Superior Mesenteric Artery: A Case Report and Discussion of Management

Acute ischaemia of the bowel is a devastating condition. Recently published figures on mortality range from 30% to 60%. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Giant Pericardial Lipoma: Unusual Cause of Intrathoracic Mass

Cardiac and pericardial lipomas are very rare tumours. They remain asymptomatic for a long time and produce symptoms, if at all, by the virtue of their size. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Remifentanil in the Management of Laparoscopic Resection of Phaeochromocytoma – Case Reports

The perioperative management of surgery for laparoscopic resection of phaeochromocytoma presents a significant challenge. Many different anaesthetic techniques and drugs have been used to control the haemodynamic fluctuations during phaeochromocytoma resection. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

Carcinoma of the Cervix: Role of MR Imaging

In females with cancer, cervical carcinoma is second to breast cancer in both incidence and mortality worldwide. About 465,000 new cases are diagnosed each year in both developing and industrialised nations, with a higher incidence in women of low socioeconomic status. This article is available only as a PDF. Please...

Intracerebral Schwannoma—A Rare Cause of Epilepsy

Schwannomas are extra-axial neoplasms derived from the nerve sheath of peripheral or cranial nerves. They represent approximately 8% of all intracranial tumours, arising predominantly from the vestibular nerve. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Radionuclide Therapy of Hepatocellular Carcinoma

Hepatocellular carcinoma (HCC) is a common malignancy worldwide. It is a major cause of death from cancer in East Asia, especially China, Japan, Korea, Taiwan and Singapore, and sub-Saharan Africa, particularly Zimbabwe, Ethiopia and Mozambique. This article is available only as a PDF. Please click on “Download PDF” on top...

Non-consensual Double Reading in the Singapore Breast Screening Project: Benefits and Limitations

Double reading of mammogram is not the standard practice in the United Kingdom National Health Service Breast Screening Programme (NHSBSP). Rather, single reading of the mammogram remains the basic policy, as was recommended in the Forrest report. This article is available only as a PDF. Please click on “Download PDF”...

Boerhaave’s Syndrome Presenting as a Right-sided Pleural Effusion

A 79-year-old Chinese woman with no significant past medical history was admitted to another hospital with symptoms of abdominal pain and haemetemesis of approximately 200 mL of blood after a severe bout of vomiting. She declined a oesophago-gastro-duodenoscopy (OGD) and was clinically diagnosed to have Mallory-Weiss syndrome. This article is...

Sweet’s Syndrome Associated with Mycobacterium chelonae and Herpes Simplex Virus Infections: A Case Report

Sweet’s syndrome is an acute febrile neutrophilic dermatosis. An association with malignancy is well recognised. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Series of Sotalol-induced Torsade de Pointes in Patients with Atrial Fibrillation – A Tale with a Twist

In the light of the Cardiac Arrhythmia Suppression Trial (CAST) which suggested that class I antiarrhythmics may be linked to an increase in mortality, attention has been turned towards the use of class III drugs for the management of both atrial and ventricular arrhythmias. While the adverse effects of...

Measuring Quality of Life in Chinese Cancer Patients: A New Version of the Functional Living Index for Cancer (Chinese)

Health-related quality of life (QOL) is recognised as an important aspect of patient care. In oncology studies, it may stand as the primary end-point. Most QOL instruments are developed in English, although about one-fifth of the world’s population is ethnic Chinese. This article is available only as a PDF. Please...

Modern Management of Colorectal Polyps: Are They All Premalignant?

Polyps of the colon and rectum are relatively common lesions. Most colorectal polyps are either adenomas or hyperplastic polyps. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Autoimmune Liver Disease in Children

Autoimmune liver disorders are inflammatory liver diseases characterised histologically by a dense mononuclear cell infiltrate, including plasma cells, in the portal tract (Fig. 1) and serologically by the presence of non-organ and liver-specific autoantibodies and increased levels of immunoglobulin G (IgG), in the absence of a known aetiology. They...

The Molecular Biology of Peritoneal Carcinomatosis from Gastrointestinal Cancer

The term “peritoneal carcinomatosis” was first used by Sampson in 1931 to describe the intra-abdominal spread of ovarian carcinoma. Although ovarian cancers account for the majority of cases, peritoneal carcinomatosis is also frequently associated with gastrointestinal malignancies. This article is available only as a PDF. Please click on “Download PDF”...

Colorectal Hepatic Metastases: Role of Radiofrequency Ablation

Colorectal cancer is the second most common cancer in Singapore, accounting for 15.9% of all cancers registered with the Singapore Cancer Registry in the years between 1993 and 1997. Despite recent advances in surgery, radiotherapy and chemotherapy, more than half of those afflicted will die from their cancer. This article...

Neoadjuvant Chemotherapy in the Management of Colorectal Metastases: A Review of the Literature

Colorectal cancer accounts for the most number of deaths after lung cancer, both in the West as well as locally in Singapore. Liver is the most common site of metastasis in colorectal cancer; an estimated 15% of patients will present synchronously, whilst approximately 50% will develop hepatic secondaries at...

Hepatic Resection for Colorectal Metastases to the Liver: The National Cancer Centre/Singapore General Hospital Experience

Colorectal carcinoma is the fourth most common malignancy and the second leading cause of death worldwide. Although surgical resection in combination with adjuvant chemotherapy in certain cases provide curative treatment, more than 50% will develop metastases in the course of their disease. This article is available only as a PDF....

Computed Tomographic Appearance of Colorectal Hepatic Metastases

It is important to recognise the computed tomography (CT) appearance of hepatic metastases from colorectal primaries, as resection in a selected group may offer a 20% to 40% rate of five-year survival compared to 5% to 10% with non-surgical management. This article is available only as a PDF. Please click...

Current Status in Imaging of Colorectal Liver Metastases

Colorectal cancer is a common primary that metastasizes to the liver. About 20% of patients with colorectal cancer will have detectable metastases at the time of clinical presentation, with an additional 30% developing clinical evidence of hepatic disease within 24 months. This article is available only as a PDF. Please...

Current Concepts of Tumour Metastasis

Tumour metastasis, or the spread of cancer cells from a primary tumour to distant sites, remains the principal cause of treatment failure and poor prognosis in patients with cancer. Early metastasis concepts were based upon the premise of uninterrupted tumour growth, stepwise spread of tumour cells with the inevitable...

Chemoprevention of Colorectal Cancer – Experimental Approach and Clinical Applications

The age-old adage of “Prevention is Better than Cure” is still very relevant in today’s practice of medicine. Many randomised population trials have already shown that colorectal cancer mortality is reducible through early detection and screening. This article is available only as a PDF. Please click on “Download PDF” on...

Practical Issues in Adjuvant Therapy for Rectal Cancer

This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Total Mesorectal Excision (TME) – Twenty Years On

In 1982, Heald et al1 at the Basingstoke District General Hospital introduced the concept of total mesorectal excision (TME) as a means of performing optimal tumour clearance for patients with rectal cancer. Five cases were described where minute foci of adenocarcinoma was demonstrated in the mesorectum several centimetres distal...

Flat and Depressed Lesions of the Colon and Rectum: Pathogenesis and Clinical Management

It was previously thought that the vast majority of colorectal cancers were derived from polypoid adenomas. However, several investigators have noted that most colorectal cancers which developed from flat or depressed neoplastic lesions remained undetectable by conventional colonoscopy. This article is available only as a PDF. Please click on “Download...

Surgical Management of Colorectal Metastases to the Liver

Colorectal carcinoma is the second commonest cancer in both males and females in Singapore, accounting for about 15% of all cancer cases. The liver is the most common site of distant metastases from colorectal cancer. This article is available only as a PDF. Please click on “Download PDF” on top...

Recent Advances in the Total Management of Colorectal Cancer

Considerable improvements in the survival and outcome of colorectal carcinoma have been made in recent years. These have been the result of advances in investigations, intervention as well as in follow-up management. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Unusual Case of Bowel Infarction with Invasive Aspergillus in an Immunocompromised Patient

The role of neoadjuvant chemotherapy for locally advanced breast cancer has been established and there has been a growing interest in its role in early and operable breast cancer.1 Most neoadjuvant chemotherapeutic regimes contain an anthracycline and are usually combined with cyclophosphamide, with or without 5-fluorouracil. This article is available...

Intermittent Epoprostenol Infusions in Systemic Lupus Erythematosus Associated Pulmonary Hypertension—A Series of Three Cases

Pulmonary hypertension (PHT) is seen in 0.5% to 14% of systemic lupus erythematosus (SLE) patients and is associated with a grave prognosis. The overall 2-year mortality is more than 50% despite vasodilators, anticoagulants, systemic corticosteroids and cytotoxic drugs. This article is available only as a PDF. Please click on “Download...

Academy of Medicine, Singapore clinical guideline on the use of sedation by non-anaesthesiologists during gastrointestinal endoscopy in the hospital setting

The practice of gastrointestinal (GI) endoscopy over the last 3 decades has seen both a rise in volume of routine procedures, and an increase in the breadth and complexity of procedures. Routine endoscopies have increased due to a growth in population size, and the introduction of guidelines is needed...

The impact of deprescribing interventions on oral proton pump inhibitor utilisation in a Singapore tertiary hospital: A quality improvement initiative

The established efficacy of proton pump inhibitors (PPIs) in the treatment of upper gastrointestinal (GI) disorders, coupled with their perceived safety, have led to PPI overutilisation.1,2 Prescription of PPIs in absence of evidence-based indication, also known as low-value prescribing, is prevalent across the spectrum of healthcare settings.1-4 Within Singapore,...

Ensuring safe sedation during gastroendoscopy

Gastrointestinal (GI) endoscopy started in Singapore in 1968 with diagnostic endoscopic gastric examination, using flexible fibre-optics GI endoscopy. Fibre-optic flexible sigmoidoscopy and colonoscopy were introduced later. Most of these procedures were performed then without sedation. The patients needed to cooperate with the endoscopists and inability to complete the endoscopic...

Case Report of a Dermoid Cyst at the Floor of the Mouth

A 19-year-old Indian male with a past history of “Ludwig’s angina” was seen at the Accident and Emergency Department of National University Hospital complaining of an acute swelling at the floor of the mouth for 2 days. The patient was seen the day before in an outpatient clinic and...

Difficulties in Diagnosing Lesions in the Floor of the Mouth – Report of Two Rare Cases

The floor of the mouth takes form as early as in the fourth week of gestation with the downward growth and subsequent degeneration of the ectoderm surrounding the peripheral of the tongue, forming the lingual sulcus separating the tongue and the floor of the mouth. The anterior boundary is...

MELAS: A Case Report

A 6-year-old Chinese boy presented at the Oral and Maxillofacial Surgery clinic with gingival bleeding due to poor oral hygiene, odontogenic pain due to multiple dental caries, phenytoin-induced gingival hyperplasia and severely worn-down and eroded dentition. He is under regular follow-up by the Paediatrics Department of the National University...

Oral Pemphigus Vulgaris: A Case Report and Literature Update

Autoimmune blistering conditions are an uncommon cause of chronic ulceration of the oral mucosa. Nevertheless, it is important to diagnose these conditions early and institute treatment as soon as possible, as they can lead to serious involvement in other mucosal and cutaneous sites and even death. This article is available...

Spontaneous Bone Regeneration after Mandible Resection in a Case of Ameloblastoma – A Case Report

Ameloblastoma is a true neoplasm of enamel organ type tissue which does not undergo differentiation to the point of enamel organ. This type of tumour occurs mostly in the mandible and grows slowly with variable clinical and histological characteristics, but it is histologically benign. This article is available only as...

Inflammatory Fibroid Polyp of the Caecum in a Patient with Neurofibromatosis

Inflammatory fibroid polyp is an uncommon nonneoplastic lesion found in the gastrointestinal tract. It is a benign, non-encapsulated submucosal lesion, composed mainly of loose connective tissues, vessels and with an eosinophilic inflammatory component. This article is available only as a PDF. Please click on “Download PDF” on top to view...

A Case of Recurrent Erythema Multiforme and its Therapeutic Complications

Recurrent erythema multiforme (EM) is a disabling condition with a specific diagnosis and certain diagnostic criteria. Systemic corticosteroid therapy is frequently used to treat this condition. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Acute Isolated Sphenoid Sinusitis

Isolated infection of the sphenoid sinus is uncommon. It usually occurs in conjunction with infection of the other paranasal sinuses. Acute isolated sphenoid sinusitis is seen in fewer than 3% of all cases of sinusitis. This article is available only as a PDF. Please click on “Download PDF” on top...

Case Reports of Two Biopsy-proven Patients with Creutzfeldt-Jakob Disease in Singapore

Creutzfeldt-Jakob disease (CJD) is the commonest human transmissible subacute spongiform encephalopathy. It has a worldwide distribution with an estimated annual incidence of 0.5 to 1.0 per million population. However, the incidence of CJD in the Singaporean population is not known. With a population of 4 million, an estimated 2...

A Case of a Diaphragmatic Rupture Complicated With Lacerations of Stomach and Spleen Caused by a Violent Cough Presenting With Mediastinal Shift

Diaphragmatic rupture is a recognised consequence of high-velocity blunt trauma to the abdomen and chest and also has been reported in 0% to 5% of thoracoabdominal trauma patients. The diagnosis is often difficult and delay in diagnosis is implicated in increased morbidity and mortality. This article is available only as...

Initial Experience of Macular Translocation in Singapore – One-year Results

Choroidal neovascularisation (CNV) is a devastating complication of macular degeneration and a major cause of irreversible vision loss in many developed countries. The most common cause of CNV is age-related macular degeneration but it may also occur secondary to a variety of other aetiologies such as pathological myopia, ocular...

The Importance of High Resolution Chromosome Analysis in the Diagnosis of Birth Defects: Case Reports of Holoproscencephaly and Cystic Hygroma

Optimal chromosome preparation is a function of many factors. These include cell density culture initiation, optimal time for harvest, concentration and exposure duration to a mitotic arrestant, appropriate hypotonic treatment and adequate fixation with modified Carnoy’s fixative. This article is available only as a PDF. Please click on “Download PDF”...

Cutaneous Mycobacterium haemophilum Infections in Immunocompromised Patients in a Dermatology Clinic in Singapore

Mycobacterium haemophilum is a nontuberculous mycobacterium (NTM) that is increasingly recognised as a cause of cutaneous, joint, or pulmonary infections in immunocompromised patients and lymphadenitis in children. To date, less than 100 patients with this infection have been reported worldwide. This article is available only as a PDF. Please click...

Early Appendicitis – A Safe Diagnosis?

Appendicitis is the most common surgical condition of the abdomen. At laparotomy, an inflamed appendix is removed once it is found, and further exploration of the peritoneal cavity is not advised. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

A Case of Nephrogenic Fibrosing Dermopathy

Nephrogenic fibrosing dermopathy (NFD) is a recently described and recognised fibrosing disorder occurring in patients with renal disease. The condition resembles scleromyxoedema clinically and histologically, and was originally termed “scleromyxoedema-like illness of haemodialysis”. This article is available only as a PDF. Please click on “Download PDF” on top to view...

Littoral Cell Angioma of the Spleen

The littoral cells line the vascular channels of the red pulp of the spleen and have characteristics of endothelial and histiocytic cells. In 1991, Falk et al described and characterised the tumoural component. This article is available only as a PDF. Please click on “Download PDF” on top to view...

Pulmonary Hypereosinophilia

Eosinophilic lung diseases encompass a heterogenous spectrum of lung disorders defined by increased eosinophils in blood and/or tissue. In 1952, Crofton et al proposed the term “pulmonary eosinophilia” for disorders characterised by chest radiographic infiltrates and peripheral eosinophilia. This article is available only as a PDF. Please click on “Download...

Appropriateness of the Use of Parenteral Nutrition in a Local Tertiary-Care Hospital

Parenteral nutrition (PN) is an important supportive and often life-saving therapy for patients with gut failure. However, it is expensive and carries significant complications such as electrolyte disturbances, hyperglycaemia, hypertriglyceridaemia, hepatobiliary complications and line-related complications. This article is available only as a PDF. Please click on “Download PDF” on top...

The HercepTest and Routine C-erbB2 Immunohistochemistry in Breast Cancer: Any Difference?

The proto-oncogene c-erbB2 (also known as HER2/neu) is located on chromosome 17q21 and encodes a 185-kD transmembrane glycoprotein. It belongs to the human epidermal growth factor receptor (tyrosine kinase receptor) family that plays an important role in the regulation of fundamental processes such as cell growth, survival and differentiation. This...

A Case of Right Loin Pain: Septic Ovarian Vein Thrombosis Due to Campylobacter fetus Bacteraemia

Septic ovarian venous thrombosis is an uncommon entity. Classically, it occurs as a postpartum complication with reported frequency of 1 in 600 to 2000 deliveries. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case of Ductal Carcinoma In situ of Breast with Poland Syndrome

We report a rare case of multi-focal ductal carcinoma in situ (DCIS) of the breast associated with Poland syndrome. A skin-sparing mastectomy of the left breast with immediate reconstruction using ipsilateral deep inferior epigastric perforator (DIEP) flap was performed. This article is available only as a PDF. Please click on...

Head and Neck Cancer After Foreign Body Ingestion

Foreign bodies ingested accidentally and lodged in the upper aerodigestive tract is one of the most common emergencies seen in the Otorhinolaryngology practice in Singapore. We present 2 cases which illustrate an unusual outcome of an otherwise usual occurrence. This article is available only as a PDF. Please click on...

Dapsone Hypersensitivity Syndrome Masquerading as a Viral Exanthem: Three Cases and a Mini-Review

Dapsone hypersensitivity syndrome (DHS) is a rare condition mostly occurring in leprosy patients on multidrug therapy. Dapsone is also combined with pyrimethamine as maloprim (Beacons Chemicals Pte Ltd, Singapore), a fairly effective chemoprophylactic agent in the management of malaria. This article is available only as a PDF. Please click on...

A Case of Cystic Leiomyoma Mimicking an Ovarian Malignancy

Uterine leiomyomas are the most common gynaecological tumour. Typical appearances of leiomyomas are easily recognised on imaging. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Supernumerary Testicle in a Case of Polyorchidism

The presence of more than 2 testicles is called polyorchidism. It is a rare anomaly. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

An Unusual Cause of Pulmonary Haemorrhage in a Patient with Rheumatoid Arthritis

Strongyloides stercoralis is an intestinal nematode which causes a chronic but usually asymptomatic infection in humans. However, in immunocompromised patients, parasitic larvae can develop rapidly and re-invade the host. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Plantar Dislocation of Lateral Tarsometatarsal Joint: A Case of Subtle Lisfranc Injury

Lisfranc fracture dislocations are uncommon injuries and the diagnosis may be easily missed. There are several variations and we present one such variant. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Rare Case of Porphyria

Porphyrias are a rare and intriguing group of metabolic disorders. We report a case of congenital erythropoietic porphyria, one of the infrequent forms of porphyria. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case of Metastatic Squamous Cell Carcinoma of the Hypopharynx Manifesting as Acute Abdomen

T, a 23-year-old female, was previously well until November 2000 when she presented with 1-year history of sore throat associated with neck lumps for 2 months. Clinically, she had left cervical lymphadenopathy measuring 3 cm. This article is available only as a PDF. Please click on “Download PDF” on top...

Uncommon Benign Intrascrotal Tumours

Leiomyomas of the urinary tract are exceedingly rare. They can, however, arise from almost any site within the genito-urinary tract, most commonly in the renal capsule and bilateral tumours are very rare. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

A Case of Maffucci’s Syndrome With Pleural Effusion: Ten-year Follow-up

A 23-year-old male patient was admitted to Ataturk Chest Disease Hospital with non-productive cough, dyspnoea, chest pain and back pain. These complaints had begun 15 days before he was admitted. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

A Case Report of Occupational Asthma due to Gluteraldehyde Exposure

Worldwide, asthma is estimated to affect between 5% and 10% of the population and, among adults, 4% to 9% of these cases have been attributed to an occupational cause. Yet, only 3 cases were reported and confirmed in Singapore in the year 2000 – an incidence of only 0.14/100,000...

Profunda Femoris Artery Pseudoaneurysm Presenting with Triad of Thigh Swelling, Bleeding and Anaemia

Pseudoaneurysms of the profunda femoris artery have been reported following blunt and penetrating trauma to the thigh, and orthopaedic procedures of the proximal femur. These pseudoaneurysms can present in various forms, such as a painful pulsatile mass, or even thigh compartment syndrome. This article is available only as a PDF....

Abnormal Liver Function Tests in the Symptomatic Pregnant Patient: The Local Experience in Singapore

The diagnostic work-up of abnormal liver function tests (LFT) in pregnancy is challenging, as the conditions peculiar to pregnancy have to be considered in addition to the causes affecting the non-pregnant population. The spectrum of disease is varied and the abnormal LFT can be mild with no long-term consequence,...

Clinical Indications for Positron Emission Tomography (PET) Scanning

The purpose of these guidelines is to provide a broad framework for clinicians considering the use of positron emission tomography (PET) scanning for their patients. PET imaging is a rapidly evolving field, with ongoing developments in imaging technology, radiochemistry, isotope production, animal research and clinical applications. This article is available...

Positron Emission Tomography – A Vital Component of Molecular Imaging

Contemporary medical imaging is progressing towards quantification of tissue function in addition to merely providing anatomical information, as illustrated by the rising use of such modalities as functional magnetic resonance imaging (fMRI), magnetic resonance spectroscopy (MRS) and positron emission tomography (PET). As far back as 1951, positron-emitting radiotracers have...

Lymphomatoid Papulosis Associated with Recurrent Cutaneous T-Cell Lymphoma

Lymphomatoid papulosis is a self-healing recurrent popular eruption often exhibiting a chronic course. It is associated with malignant lymphomas in 10% to 20% of cases. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Extensive Calcinosis Cutis in Relapsed Acute Lymphoblastic Leukaemia

Calcinosis cutis is characterised by the aberrant deposition of calcium salts in the skin. In metastatic calcinosis cutis, calcium salts are precipitated in normal tissue as a result of an underlying defect in calcium and/or phosphate metabolism. This article is available only as a PDF. Please click on “Download PDF”...

Spinocerebellar Ataxia Type 2 with Focal Epilepsy – An Unusual Association

The spinocerebellar ataxias (SCAs) are a rare group of neurodegenerative disorders that are clinically and genetically heterogeneous. Almost all SCAs are due to trinucleotide repeat expansions and 16 types of SCAs have been described. This article is available only as a PDF. Please click on “Download PDF” on top to...

Two Case Reports of Metastases from Colon Carcinoma to the Thyroid

Metastases to the thyroid are not as rare as previously believed and have been shown, in autopsy series, to be more common than primary thyroid malignancy. The overall incidence, not surprisingly, varies from 1.25% in unselected patient autopsy series to 24% in autopsy of patients with widespread malignant neoplasms. This...

Transmission of Tuberculosis from Patient to Healthcare Workers in the Anaesthesia Context

Tuberculosis poses a very real problem to healthcare workers (HCWs). In Singapore, the prevalence of tuberculosis in the general population remains high at 44 per 100,000 in the year 2001. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Trends in Cancer Incidence Among Singapore Malays: A Low-risk Population

Cancer is now one of the most common causes of death in the world. Inspection of changes in cancer incidence in ethnically or geographically diverse populations is important for the understanding of cancer patterns and also to provide clues for aetiologic studies. This article is available only as a PDF....

Bile Duct Perforation in Children: Is it Truly Spontaneous?

Bile duct perforation (BDP) and biliary ascites in children is a rare clinical entity. The aetiopathogenesis is still elusive. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Clinical Report: A Case of Williams Syndrome and Klinefelter Syndrome

Williams syndrome (WS) is a rare but well recognised neurodevelopmental disease affecting the connective tissue and the central nervous system. The syndrome was first described in 1961 and the phenotype was subsequently expanded in 1972. This article is available only as a PDF. Please click on “Download PDF” on top...

Skin Manifestation of Stenotrophomonas maltophilia Infection – A Case Report and Review Article

Stenotrophomonas maltophilia is an aerobic gram-negative bacillus that is found in aquatic environments. It is a frequent coloniser of fluids used in the hospital setting, such as nebulisers, water baths, dialysis machines and intravenous fluids. This article is available only as a PDF. Please click on “Download PDF” on top...

Unravelling the Mystery in a Case of Persistent ACTH-independent Cushing’s Syndrome

A Malaysian Chinese male patient, CMO, first presented at the age of 22 years with a 2-week history of severe spontaneous low backache with no prior trauma or back injury. A lumbar spine X-ray showing marked osteopenia and compression fracture of the first lumbar vertebra led to findings of...

Image-guided Radiofrequency Ablation of Liver Malignancies: Experience at Singapore General Hospital

Radiofrequency (RF) ablation for the treatment of focal liver malignancies is a relatively new image-guided procedure that is gaining increasing acceptance in the radiologic and surgical community, particularly as an alternative treatment option for patients who have inoperable tumours. The potential benefits of minimally invasive image-guided ablation, as compared...

Neisseria meningitidis Keratitis in Adults: A Case Series

Neisseria meningitidis has been reported as a causative organism for conjunctivitis and endogenous endophthalmitis, more commonly in neonates and young children. A search of the literature on Medline revealed very few reports on infective keratitis caused by N. meningitidis. This article is available only as a PDF. Please click on...

Presumed Dapsone-induced Drug Hypersensitivity Syndrome Causing Reversible Hypersensitivity Myocarditis and Thyrotoxicosis

A 22-year-old Malay soldier doing his National Service was warded with a 6-day history of an itchy generalised rash associated with fever and lymphadenopathy. Prior to this episode, he was well and not known to have any major illnesses. This article is available only as a PDF. Please click on...

Visual Recovery Following Emergent Orbital Decompression in Traumatic Retrobulbar Haemorrhage

Acute retrobulbar haemorrhage is a potentially sight threatening condition that can occur spontaneously or following retrobulbar injections and trauma to the orbit. Visual loss results from central retinal artery occlusion or optic neuropathy from direct compression or from compression of optic nerve venous drainage. This article is available only as...

Recurrent Non-immune Fetal Hydrops: A Case Report

The incidence of non-immune hydrops (NIH) has been reported to be 1/10001 and is associated with high perinatal morbidity and mortality at all gestational ages with an overall perinatal mortality rate (PNMR) of 86.6%. If the diagnosis is made before 24 weeks’ gestation, the PNMR is 95%, with 30%...

Recombinant Tissue Plasminogen Activator (r-TPA) in Fibrin Dissolution due to Postoperative Endophthalmitis

Cataract surgery is one of the most successful surgical procedures performed. However, postoperative endophthalmitis, defined as severe inflammation involving both the anterior and posterior segments of the eye secondary to an infectious agent, is an uncommon but devastating complication. This article is available only as a PDF. Please click on...

Detection and Quantification of the Abelson Tyrosine Kinase Domains of the bcr-abl Gene Translocation in Chronic Myeloid Leukaemia Using Genomic Quantitative Real-time Polymerase Chain Reaction

Chronic myeloid leukaemia (CML) is a clonal stem cell malignancy characterised by massive proliferation of mature and immature granulocytes, basophils and spleen cells, but not cells of T cell lineage. The molecular hallmark of CML is the reciprocal translocation between chromosomes 9 and 22, t(9;22), which produces the Philadelphia...

The Feminist Approach in the Decision-making Process for Treatment of Women With Breast Cancer

The ethical theories employed in healthcare today generally assume a modern Western philosophical framework, which is applied to many issues such as abortion, euthanasia, consent for treatment and organ transplantation. The application of this approach to non-Western cultures needs critical examination. This article is available only as a PDF. Please...

Surgically-induced Corneal Changes Following Macular Translocation with Punctate Retinotomies and Chorioscleral Infolding (Limited Macular Translocation)

Changes in corneal curvatures and astigmatism after retinal surgery are well documented. Although some of these changes are mild and transient, some have reported clinically significant irregular and asymmetric corneal changes. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

Cutaneous and Subcutaneous Metastases of Adenocarcinoma of the Colon and Rectum

Cutaneous metastasis from colorectal adenocarcinoma is an interesting condition not only because of its rarity, it occurs in less than 4% of patients with colorectal cancers, but also because it implies a poor prognosis. We discuss 3 patients with rectal adenocarcinoma who subsequently developed cutaneous metastases. This article is available...

A Report of Two Families with Sarcosinaemia in Hong Kong and Revisiting the Pathogenetic Potential of Hypersarcosinaemia

Sarcosinaemia (OMIN 268900) is an autosomal recessive condition due to the deficiency of sarcosine dehydrogenase (E.C. 1.5.99.1). It is a rare condition with an estimated incidence of 1 in 350,000 in a newborn screening programme. This article is available only as a PDF. Please click on “Download PDF” on top...

A Bolt Out of the Blue: A Case of Unexpected Acute Liver Failure

Acute hepatitis could result from viral, autoimmune or drug-reaction causes, among others. In areas endemic with hepatitis B, acute exacerbations of chronic hepatitis B (CHB) are the commonest cause. Hence, in Singapore where 4% of the population are hepatitis B carriers, when faced with acute hepatitis in a patient...

A Hyperthyroid Patient with Measurable Thyroid-stimulating Hormone Concentration – A Trap for the Unwary

Free thyroxine (FT4), total tri-iodothyronine (T3) and thyrotropin (TSH) are the commonly measured biochemical indices in the assessment of thyroid function in a patient with suspected thyrotoxicosis. These indices give sufficient information regarding the functional status of the thyroid gland under most circumstances. This article is available only as a...

Abuse of Prescription Buprenorphine, Regulatory Controls and the Role of the Primary Physician

Buprenorphine is an opiate partial agonist that has been used for pain management, and in the past few years has been approved for the treatment of opioid dependence in Singapore and other countries. Buprenorphine is available in primary care clinics and can be prescribed by all licensed physicians who...

Neonatal Priapism Associated With Spontaneous Bilateral Pyocavernositis

Priapism is a pathological state of prolonged, generally painful erection, unassociated with sexual desire and not ending in ejaculation. Rare before the 1980s, this entity became more frequent after the introduction of vasoactive drugs for intracavernosal injections. This article is available only as a PDF. Please click on “Download PDF”...

Delayed Hypersensitivity Reaction After Intravenous Glucagon Administered for a Barium Enema: A Case Report

A 74-year-old Chinese woman presented with a 1-week history of an itchy rash on the trunk and legs. A barium enema was performed a day before the rash started. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Ethambutol-associated Optic Neuropathy

Tuberculosis (TB) has been present since ancient times. Around 460 BC, Hippocrates identified phthisis, which is the Greek term for consumption (TB seemed to consume people from within with its symptoms of bloody cough, fever, pallor and long relentless wasting) as the most widespread disease of the times, which...

Necrotising Fasciitis and Traditional Medical Therapy – A Dangerous Liaison

The first case was a 54-year-old lady, with a history of insulin-dependent diabetes mellitus and hyperlipidaemia, who presented with bilateral hand pain and stiffness of 4 days’ duration. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Concurrent Intermediate Uveitis and an Enhancing Intracranial Lesion as the Initial Manifestation of Sarcoidosis

Sarcoidosis remains an enigmatic disease with protean manifestations. It is a multi-system disorder of unknown cause characterised by an accumulation of T-lymphocytes, mononuclear phagocytes and non-caseating epithelioid granulomas in affected organs. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

Retrobulbar Alcohol Injection for Orbital Pain Relief Under Difficult Circumstances: A Case Report

The management of pain in the orbital region, whether ocular or orbital in origin, is complex and lies at the margins of several subspecialty interests. Because of this, and because of its rarity, it has received little attention in the literature. This article is available only as a PDF. Please...

Mycobacterium-related Ocular Inflammatory Disease: Diagnosis and Management

Tuberculosis (TB) is an ancient disease that has been detected in 3000-year-old Egyptian mummies. Robert Koch’s discovery of the tubercle bacillus as the aetiologic agent of this disease in 1882 led to the acceptance of “Koch’s postulates,” which remain the gold standard for linking a pathogen to a disease. This...

Intravitreal Triamcinolone Acetonide for the Treatment of Diffuse Diabetic Macular Oedema – A Case Report

Focal and grid laser photocoagulation are the primary surgical treatments for diabetic macular oedema. However, laser treatment of eyes with diffuse macular oedema has been disappointing. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Potentially Fatal Paracetamol Overdose and Successful Treatment with 3 Days of Intravenous N-acetylcysteine Regime – A Case Report

Paracetamol overdose is one of the most common drug overdose in both children and adults in Singapore. Doses of paracetamol exceeding 150 mg/kg in a patient can be life threatening. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Postirradiation Sarcoma of the Sphenoid Bone – A Case Report

Radiation-associated tumours of the temporal and maxillary bone have been reported in patients treated with radiotherapy for nasopharyngeal carcinoma. There was no previously reported case of postirradiation sarcoma of the sphenoid bone after radiation therapy for nasopharyngeal carcinoma. This article is available only as a PDF. Please click on “Download...

Septic Monoarthritis and Osteomyelitis in an Elderly Man Following Klebsiella pneumoniae Genitourinary Infection: Case Report

Despite improved antimicrobial therapy over the past 30 years, there has been little change in the incidence, outcome, or, causative organisms in septic arthritis. Staphylococcus aureus is the commonest cause of septic arthritis and various series reported rates of 17% to 80%. This article is available only as a PDF....

Does the Advent of Endoscopic Ultrasound (EUS) Sound the Death Knell for Endoscopic Retrograde Cholangiopancreatography (ERCP)?

Endoscopic retrograde cholangiopancreatography (ERCP) has been the primary method of diagnosing and treating many pancreatic and biliary diseases (PBD) over the last 3 decades. The development of endoscopic ultrasound (EUS) since its introduction in the early 1980s has added a new dimension to the treatment of PBD. This article is...

Fetus-in-fetu in the Pelvis: Report of a Case and Literature Review

Baby A was delivered at 37-week and 4-day gestation via elective caesarean section. His mother was a healthy 33- year-old with a previous uneventful pregnancy. There was no history of consanguinity and no family history of multiple pregnancies. In the current pregnancy, there was no maternal illness, history of...

Beyond Ortner’s Syndrome – Unusual Pulmonary Complications of the Giant Left Atrium

The giant left atrium (GLA) is a complication of severe mitral regurgitation most commonly due to rheumatic heart disease. It causes morbidity by compressing adjacent intra-thoracic structures. Examples include Ortner’s syndrome due to compression of the left recurrent laryngeal nerve, and dysphagia from oesophageal compression. We report 2 unusual...

Dural Sinus Thrombosis after Minor Head Injury in a Child

A healthy 4-year-old Chinese girl was admitted to the hospital after a fall from a one-metre-high chair. She sustained a minor head injury to her right temporal region. There was no loss of consciousness, visual disturbances or motor dysfunction after the fall. She had symptoms of vomiting a few...

Periampullary Diverticulum: A Case of Bleeding from a Periampullary Diverticula

Duodenal diverticula were reported for the first time by Chomel in 1710. 1 They can be classified as either congenital or acquired and intraluminal or extraluminal. They typically occur in the periampullary region, along the medial aspect of the second and third part of the duodenum. Periampullary diverticula (PAD)...

Inflammatory Tumour of the Retroperitoneum – A Case Report

First diagnosed as pulmonary tumours in the adult population, inflammatory myofibroblastic tumours (IMTs) are true neoplasms that are also known to occur in children in various extrapulmonary locations.1 Although abdominal IMTs have been reported, retroperitoneal tumours are exceedingly rare.1 Since needle biopsy and frozen section in these tumours are...

Swallowed Foreign Bodies in Children: Report of Four Unusual Cases

Foreign body (FB) ingestion in children is a frequent and frightening experience to the patients and caregivers. It is a common paediatric problem necessitating occasional immediate intervention to avoid serious complications. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

A Case of Cystic Schwannoma of the Lesser Sac

Schwannoma or neurilemmoma (NL) is a well-defined, usually benign, tumour arising from the nerve sheath (Schwann cell). It may present as a solitary mass in any part of the body, but is more commonly seen in the head and neck, the extremities and on the trunk. This article is available...

Phase II Trial of Gemcitabine and Cisplatin Sequentially Administered in Asian Patients With Unresectable or Metastatic Non-small Cell Lung Cancer

Lung cancer is the most common cause of cancer-related death worldwide. It ranks first among males and third among females in the incidence of cancers in Singapore. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Adult-onset Re-emergent Stuttering as a Presentation of Parkinson’s Disease

A 61-year-old right-handed man with no past medical history presented to our movement disorders clinic with a history of stuttering which had begun 5 years earlier, and appeared to worsen in the preceding year. He had stuttered briefly in childhood, from the age of 5 to 11, but had...

Severe Upper Limb Complications from Parenteral Abuse of Subutex®

Subutex® (sublingual buprenorphine hydrochloride) tablets are prescribed by licensed physicians to alleviate symptoms of opiate withdrawal in addicts undergoing a cessation programme. It is increasingly used instead of methadone in cessation programmes, as it is effective, well tolerated and has fewer side effects.1-3 In Singapore, according to Institute of...

Autosomal Dominant Familial Chronic Mucocutaneous Candidiasis Associated with Acne Rosacea

Chronic mucocutaneous candidiasis (CMC) is a rare disorder characterised by chronic and recurrent infections, predominantly caused by Candida albicans affecting the mucous membranes, nails and skin. Other species of the Candida genusare occasional causative agents. Infections with other bacteria and dermatophytes can also occur. The infection is usually localised...

Gastric Pneumatosis after Endoscopic Argon Plasma Coagulation

Argon plasma coagulation (APC) is a major haemostatic modality for large surface bleeding areas.1 It effects thermal coagulation with limited and controlled tissue depth by using high-frequency monopolar electrosurgical current via an ionised argon gas stream. When used endoscopically, a flexible probe passed through the accessory channel provides non-contact...

Impetigo Herpetiformis – A Rare Dermatosis of Pregnancy Associated with Prenatal Complications

Impetigo herpetiformis (IH) is a rare dermatosis of pregnancy that can present dramatically in the third trimester of pregnancy with widespread cutaneous pustulosis and serious systemic features, including fetal distress.1,2 Early recognition of this condition is of utmost importance as maternal and fetal well-being may be compromised due to...

False Positive F-18 Fluorodeoxyglucose Combined PET/CT Scans from Suture Granuloma and Chronic Inflammation: Report of Two Cases and Review of Literature

Postoperative surveillance for recurrence after curative colorectal cancer surgery has been enhanced with the use of F-18 fluorodeoxyglucose (FDG) combined positron emission tomography (PET)/computed tomography (CT) imaging that detect metabolic anomalies via differences in tissue glucose uptake and thus metabolic activity.1-3 This may occasionally pose a problem in distinguishing...

Snakebite in a Child: Could We Avoid the Anaphylaxis or the Fasciotomies?

Snakebites have become uncommon in the metropolitan and densely populated city of Hong Kong.1-3 We recently reported a 10-year survey of snakebites in children in Hong Kong and concluded that children should be discouraged to play in areas where snakes may hide and that protective footwear should be worn.4...

A Case of Lemierre’s Syndrome Presenting with Multiple Pulmonary Abscesses Associated with a Tension Hydropneumothorax Resulting in a Mediastinal Shift

Lemierre’s syndrome (LS) is a condition which follows an oropharyngeal infection, often in an otherwise healthy young adult. This usually progresses to septic thrombophlebitis of the internal jugular vein (IJV), leading to metastatic abscesses mainly of the lungs, but organs such as the liver, bones, joints and kidneys can...

Post-poliomyelitis Syndrome: Case Report and Review of the Literature

Postpoliomyelitis syndrome (PPS) is characterised by the delayed appearance of new neuromuscular symptoms in patients many years after their acute poliomyelitis paralysis. PPS occurs 30 to 40 years after an acute poliomyelitis attack and is observed in approximately 25% to 28% of patients.1 It is still unclear, at this...

Parathyroid Carcinoma: A Case Series

Parathyroid carcinomas account for 1% to 3% of patients with primary hyperparathyroidism (PHPT).1 Patients usually present with a severe form of hyperparathyroidism at diagnosis, such as bone disease, renal disease, or hypercalcaemic crisis, in contrast to the relatively asymptomatic presentation of benign parathyroid disease.2 Problems encountered include difficulty in...

Recurrent Prostatic Stromal Tumour of Uncertain Malignant Potential (STUMP) Presenting with Urinary Retention 6 Years after Transurethral Resection of Prostate (TURP)

Prostatic stromal tumour of uncertain malignant potential (STUMP) is a rare lesion, with fewer than 100 cases reported worldwide. It is considered a neoplastic lesion possessing relatively high recurrence and progression rates. We report a case of this neoplasm, manifesting initially with gross haematuria and haematospermia, and subsequent acute...

Putting Together Lesions in the Brain, Retina, Kidney and Pancreas

A 40-year-old Malay lady presented with a 6-month history of headache. She had a past history of a left nephrectomy 6 years ago. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Fungal Pan-sinusitis with Severe Visual Loss in Uncontrolled Diabetes

Fungi are known opportunistic organisms, which potentially invade and infect a host with depressed immunity. Fungal pan-sinusitis complicated with orbital apex syndrome or cavernous sinus syndrome has been described in immunosuppressed patients. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Hepatitis B Virus Infection and the Risk of Coronary Atherosclerosis

Coronary artery disease (CAD), also called coronary heart disease, is the leading cause of death for both men and women. CAD is usually caused by atherosclerosis. Atherosclerosis (the hardening of the arteries) is the most common form of arteriosclerosis, in which the walls of arteries become thicker and less...

Selection of Medical Students in Singapore: A Historical Perspective

The selection of medical students is always a controversial issue. History is an even more controversial subject. When Professor Cheah asked me to write about the history of the selection of medical students in Singapore, I knew that I was stepping into a minefield. I would thus like to...

Ceftriaxone-resistant Salmonella spp. in Singapore

The utility of ceftriaxone for the treatment of Salmonella typhi bacteraemia was first demonstrated in Singapore as early as 1985. Since then, ceftriaxone has become established as first-line treatment for typhoid fever and serious non-typhoidal Salmonella infections. This article is available only as a PDF. Please click on “Download PDF”...

Tuberculosis Masquerading as Recurrent Metastatic Carcinoma of the Cervix

The incidences of certain malignancies are increasing and are major causes of mortality. Diagnosis can be difficult and delayed. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Metastasis to the Sinonasal Tract from Sigmoid Colon Adenocarcinoma

A 52-year-old female was diagnosed with well-differentiated adenocarcinoma of the sigmoid colon in 1999. An anterior resection was performed followed by adjuvant chemotherapy for 6 cycles. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Association of Epstein-Barr Virus with Nasopharyngeal Carcinoma and Current Status of Development of Cancer-derived Cell Lines

Although nasopharyngeal carcinoma (NPC) has been reported in almost all parts of the world, most cases of NPC are found in South East Asia, Southern China (including Hong Kong), North Africa and in the Eskimo population of Alaska, USA. For reasons that still remain unclear, the Chinese are more...

Ten-year Series of Splenic Abscesses in a General Hospital in Singapore

Splenic abscess is an uncommon clinical problem. Fewer than 800 cases have been reported in the literature. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

An Unusual Presentation of a Giant Frontal Sinus Mucocele Manifesting with a Subcutaneous Forehead Mass

A mucocele is an epithelium-lined mucus-containing sac which usually develops when the ostium of a paranasal sinus becomes obstructed by chronic sinusitis, polyps or bone tumours. Mucoceles can erode through the surrounding bone and spread both intraorbitally and intracranially.1-4 We report an unusual case of a patient with intracranial...

Cavitating Cryptococcal Pneumonia in the Immunocompetent Host

Three immunocompetent male patients with cryptococcal pneumonia presented to our hospital between June 2000 and November 2001. They had varied presentations, as shown in Table 1. All 3 patients were previously well, without any underlying diabetes mellitus, renal or hepatic diseases, and none was on any immunosuppressants. None of...

Cyclosporin-induced Sebaceous Hyperplasia in Renal Transplant Patients

There are several reports in the literature of sebaceous hyperplasia being induced by cyclosporin in immuno-suppression of organ transplant patients. The condition was only found in male transplant patients and not seen in children with renal transplant. Two Chinese renal transplant recipients who developed sebaceous hyperplasia while on cyclosporin...

Artificial Urinary Sphincter in Adult Male with Neurogenic Stress Urinary Incontinence: A Rare Indication

The artificial urinary sphincter (AUS) is an established modality for the management of stress urinary incontinence. It is usually used in adults with post-radical prostatectomy incontinence1 and in children with neurogenic voiding dysfunction usually secondary to spinal dysraphism.2 However, it is rarely used in adults with neurogenic stress incontinence...

First Branchial Cleft Anomalies have Relevance in Otology and More

The external ear canal is a derivative of the first branchial cleft. Anomalies of the first branchial cleft, therefore, often involve external ear canal structures which are normally managed in an Otology practice. However, in duplication anomalies, clinical features are varied and may include those seen in a typical...

An Unusual Case of an Intramuscular Lipoma of the Pectoralis Major Muscle Simulating a Malignant Breast Mass

Intramuscular lipomas of the pectoralis major muscle are rare tumours.1 We describe an unusual case of a lipoma of the pectoralis major muscle which presented as a hard and progressively enlarging breast mass. This article is available only as a PDF. Please click on "Download PDF" to view the full...

Development of Ipsilateral Adrenocortical Carcinoma Sixteen Years after Resection of an Adrenal Tumour Causing Cushing’s Syndrome

Adrenocortical carcinoma is a rare tumour, with an annual incidence of 0.5 to 2 per 1 million people. The overall 5-year survival rate ranges from 16% to 38%.1-4 Recurrence, even after seemingly complete resection, is common, occurring in 23% to 85% of patients.3,5,6 The reported mean disease-free interval ranges...

Legal Issues in the Treatment of a Violent Manic Patient in a Non-Gazetted Setting: A Case Report

Mr X, a 68-year-old Indian, was the chairman of a big corporation. He had had a history of bipolar disorder for the past 40 years, with an episode of depression and mania that started 40 years ago, and then 3 episodes of mania in the past 6 years. About...

Rapid Cystic Development in Relation With an Impacted Lower Third Molar: A Case Report

There are many conditions affecting the jaws that present with a cystic, radiographic appearance. Odontogenic cysts and tumours have the potential to reach considerable sizes in the jaw. Unicystic ameloblastoma often presents as a large unilocular radiolucency in young individuals, typically at the posterior mandible, and is usually associated...

Caesarean Scar Pregnancy: A Diagnosis to Consider Carefully in Patients with Risk Factors

A uterine scar pregnancy is a gestation separated from the endometrial cavity and completely surrounded by the myometrium and the fibrous tissue of the scar. The most probable mechanism through which this can occur is invasion of the myometrium through a microscopic tract. The tract is believed to develop...

Tuberculosis Post-Liver Transplantation: A Rare but Complicated Disease

Tuberculosis (TB) is a serious opportunistic infection in transplant recipients, with an incidence in organ transplant recipients ranging from 0.35% in developed countries to 15% in endemic areas.1 It carries a mortality rate of as high as 40%.2 The majority of TB infection have occurred within 12 months of...

Vision Restoration Therapy: New Hope for Stroke Patients with Visual Field Loss

Patients suffering from visual field defects caused by optic nerve or post-chiasmatic injury commonly experience many limitations in their daily activities. The generally accepted paradigm that nothing can be done leaves little hope for such patients as restoration was once considered impossible. This article is available only as a PDF....

Massive Retroperitoneal Adrenal Haemorrhage as the First Manifestation of a Lung Cancer

A 74-year-old man was admitted with sudden onset of right upper quadrant abdominal pain radiating towards right shoulder and right thigh. Pain was aggravated by deep breathing and movements. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

4th FY Khoo Memorial Lecture 2008: Nasopharyngeal Cancer Workgroup – The Past, The Present and The Future

Thank you Madam Chairman. First, I would like to thank the Singapore Radiological Society and the College of Radiologists, Academy of Medicine Singapore for giving me the honor of delivering this the 4th FY Khoo Memorial Lecture, 2008. This article is available only as a PDF. Please click on “Download...

Placental Calcification in Pseudoxanthoma Elasticum

Pseudoxanthoma elasticum (PXE) is an inherited multisystem disorder of the elastic tissue leading to skin disease as well as ocular and cardiovascular complications. Although earlier literature on pregnancy in PXE contained reports of severe complications, most patients show no serious complications during pregnancy. This article is available only as a...

Effects on the Contralateral Eye After Intravitreal Bevacizumab and Ranibizumab Injections: A Case Report

Vascular endothelial growth factor (VEGF) is recognised as an important mediator in the pathogenesis of age-related macular degeneration (AMD) and retinal neovascularisation. Anti-VEGF therapies such as pegaptanib (Macugen, EyeTech/OSI Pharmaceuticals) and ranibizumab (Lucentis, Genentech) are Food and Drug Administration (FDA)-approved in the US for the treatment of neovascular AMD. This...

Phase II Trial of Gemcitabine in Combination with Cisplatin in Inoperable or Advanced Hepatocellular Carcinoma

Hepatocellular carcinoma (HCC) has a high incidence rate in Asia. In Singapore, it is the third most common cancer amongst males, and constituted 8% of all cancers diagnosed between 1998 and 2002. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Pancreas-only Metastasis from Nasopharyngeal Carcinoma

A 51-year-old Chinese man presented with a 3 month’s history of left cervical lymphadenopathy, rhinorrhoea, tinnitus and nasal congestion. On nasopharyngoscopy, a fungating mass was found in his nasopharynx and was biopsied. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Induction Concurrent Chemoradiotherapy Using Paclitaxel and Carboplatin Combination Followed by Surgery in Locoregionally Advanced Non-Small Cell Lung Cancer – Asian Experience

Lung cancer is the leading cause of cancer mortality in Singapore. The age standardised incidence rate is 45 per 100,000/year. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Successful Surgical Treatment of Renal Cell Carcinoma With Calvarial Metastases

Renal cell cancer (RCC) accounts for 3% of all cancers. Isolated haematuria or pain is the most common form of presentation. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Pathological Pulmonary Hernia in a Patient With Metastatic Breast Cancer

Pulmonary hernia is a rare and uncommon clinical entity that has been defined as a protrusion of pleural membranes or lung parenchyma through the defect in the thoracic enclosure. According to aetiology, pulmonary hernias can be congenital (due to rib or intercostal hypoplasia or agenesis) or acquired (traumatic, pathological...

Treatment of Cardiogenic Pulmonary Oedema by Helmet-delivered Non-invasive Pressure Support Ventilation in Children With Scorpion Sting Envenomation

Scorpion stings represent an important and serious public health problem worldwide due to their high incidence and potentially severe and often fatal clinical manifestations, especially among children. The severity of the envenomation is related to haemodynamic and cardiorespiratory alterations, with cardiac failure and cardiogenic pulmonary oedema being the major...

The Toxicity and Outcomes of Continuous 5-fluorouracil/Cisplatin-based Chemotherapy Followed by Chemoradiation in Patients with Resected High-risk Gastric Cancer: Results of a Single Institute

Gastric carcinoma is the second most common cause of cancer mortality worldwide. Surgery is the only curative therapy, although 5-year survival rates remain poor even after curative resection. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Charity Colonoscopy Event to Commemorate the 185th Anniversary of Singapore General Hospital

Colorectal cancer is now the cancer with the highest incidence in Singapore. Similar to many developed countries, individuals here have a moderate to high risk of developing colorectal cancer in their lifetime. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

Thoracic Complications of Radiofrequency Ablation of Recurrent Hepatoma

Radiofrequency ablation (RFA) intended to produce complete thermal necrosis of unresectable primary or secondary hepatic malignancies have gained widespread availability and acceptance over the past 5 years. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

An Unexpected Presentation of Endometriosis – A “Parasitic” Cyst of the Bowel in a Menopausal Woman on Hormone Therapy

Endometriosis commonly affects women during their reproductive years and may involve any organ. Although rare, endometriosis has been reported in postmenopausal women and is often associated with hormone replacement or tamoxifen. This article is available only as a PDF. Please click on “Download PDF” on top to view the full...

Local Experience of Endorectal Magnetic Resonance Imaging of Prostate with Correlation to Radical Prostatectomy Specimens

Prostate cancer ranks among the top 10 cancers in Singapore. The incidence of prostate cancer has risen by 5% to 118% in most Asian countries. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

MMP-2, TIMP-2 and CD44v6 Expression in Non-small-cell Lung Carcinomas

Studies have provided data that matrix metalloproteinases (MMPs) facilitate tumour invasion, the establishment of metastases. On the other hand, matrix metalloproteinase inhibitors have been shown to inhibit tumour growth and dissemination in non-small-cell lung carcinomas (NSCLCs). This article is available only as a PDF. Please click on “Download PDF” on...

Suprascapular Nerve Neuropathy Secondary to Spinoglenoid Notch Ganglion Cyst: Case Reports and Review of Literature

Shoulder pain and dysfunction have long been the bane of both the young and old alike. Common causes include local conditions such as rotator cuff tears, impingement syndromes, tendonitis, bursitis, adhesive capsulitis, acromioclavicular joint osteoarthritis, as well as cervical pathology such as disc disease and spondylosis. Suprascapular nerve neuropathy...

A Case Report of Endovascular Stenting in Salmonella Mycotic Aneurysm: A Successful Procedure in an Immunocompromised Patient

Mycotic aortic aneurysm carries a high mortality and morbidity rate. Traditionally, such cases are treated with open surgery, including extra-anatomical or in-situ graft repair. A growing number of authors have reported the use of endovascular stenting as treatment for mycotic aneurysms. To our knowledge, this is the first case...

Managing Breast Cancer Diagnosed in First Trimester Pregnancy: A Case Report

Cancer complicates approximately 1 per 1000 pregnancies and accounts for one third of maternal deaths during gestation.1,2 The reproductive system is affected by malignant growth more frequently than any other systems during pregnancy. Pregnancy-associated breast cancer is defined as breast cancer diagnosed during pregnancy, lactation or 1-year postpartum. The...

Tetanus in an Injecting Buprenorphine Abuser

Problems with parenteral drug abuse with opioids and infectious complications have been well-described in medical literature.1-3 Substitution drugs such as buprenorphine (Subutex) have been used as an adjunct to manage intractable opioid dependence. Buprenorphine, a partial opioid agonist, has been shown in previous trials to reduce heroin use, with...

EUS-FNA of the Left Adrenal Gland is Safe and Useful

The occurrence of an adrenal mass in patients with an underlying malignancy may represent distant metastases, precluding curative surgical resection of the primary malignancy. On the other hand, it may simply represent a benign adrenal adenoma with no prognostic implications. In a cohort of lung cancer patients, an isolated...

Late Complications Following Tetralogy of Fallot Repair: The Need for Long-term Follow-Up

Tetralogy of Fallot (TOF) is the most common cyanotic congenital heart disease with an incidence of approximately 0.5/1000 live births (5% to 7% of congenital heart lesions). In Singapore with a live birth of over 37, 000 per year,1 the expected number of new TOF cases will be approximately...

Clear Cell Carcinoma of Minor Salivary Gland – Case Report

Clear cell carcinoma is a rare low-grade carcinoma that occurs almost exclusively in the intra-oral minor salivary glands.1-11 Occasional cases have been reported in other sites.3,10-14 Various terms applied to this tumour reflect its histological diversity.1-3,9 The recognition and consequent reporting of this neoplasm increased significantly after the report...

Peripartum Acute Anterior ST Segment Elevation Myocardial Infarction: An Uncommon Presentation of Acute Aortic Dissection

Reperfusion therapy in the form of primary angioplasty or thrombolytic therapy is the cornerstone of management in patients presenting with acute ST segment elevation myocardial infarction (STEMI).1 Thrombosis of the atherosclerotic coronary artery is by far the most common cause of acute myocardial infarction. In patients without traditional risk...

Arteriovenous Fistula Aneurysm – Plicate, Not Ligate

Arteriovenous fistulae (AVF) are created for haemodialysis in patients with end-stage renal failure. While AVF is a lifeline for these patients, its creation is not without complications.1 One complication is that of aneurysmal dilatation, which can cause rupture and potentially fatal haemorrhage. This article is available only as a PDF....

Cluster of Staphylococcus aureus and Dengue Co-infection in Singapore

In recent years, Singapore has seen a resurgence of dengue fever despite the seemingly successful implementation of a nationwide Aedes mosquito control programme,1 culminating in 9459 clinical and laboratory-confirmed dengue cases in 2004 and up to 13,653 cases in its 2005 dengue epidemic.2 This article is available only as a...

Neurogenic Pulmonary Oedema Misdiagnosed as Acute Myocardial Infarction in a Comatose Patient

Neurogenic pulmonary oedema (NPO) is a well recognised complication of subarachnoid haemorrhage (SAH) and severe traumatic brain injuries (TBI).1 The incidence of NPO was reported to be 6% in a series of 457 patients with SAH.2 However, the diagnosis of NPO can be challenging when it occurs without abnormal...

Avoiding Dialysis in Tumour Lysis Syndrome: Is Urate Oxidase Effective? – A Case Report and Review of Literature

Tumour lysis syndrome (TLS) is frequently associated with lymphoproliferative malignancies. It is the result of massive spontaneous or chemotherapy-induced cytolysis, leading to the release of intracellular metabolites. Hyperuricaemia from breakdown of large amount of nucleic acids in lysed tumour cells causes renal dysfunction from precipitation of uric acid leading...

POEMS Syndrome – A Case for More Aggressive Treatment

POEMS syndrome is a rare, multisystem disorder originally characterised by the presence of polyneuropathy, organomegaly, endocrinopathy, monoclonal or M-protein and skin changes. Bardwick proposed the acronym in 1980.1 With a wide array of features, this condition can present to a variety of medical subspecialties. We report a patient who...

Case Report: Induction of Immune Tolerance to Factor VIII Inhibitor after a Major Operation

Mr ZBH was a 30-year-old man with a history of severe haemophilia A with 0% factor VIII (FVIII). He was initially supported with cryoprecipitate but was switched to FVIII concentrate in 1995. He first developed FVIII inhibitor in 1995 and his inhibitor level fluctuated between 0.3 and 2 BU....

Ovarian Carcinoma Presenting With Isolated Contralateral Inguinal Lymph Node Metastasis: A Case Report

Ovarian carcinoma is the most frequent cause of death from gynaecological malignancies in the United States. Rates for ovarian carcinoma in Singapore fall between those of Western Europe and those of the rest of Asia, accounting for 5.4% of all female cancers diagnosed between 1998 and 2002 in Singapore.1...

Thalidomide-associated Arterial Thrombosis: Two Case Reports

Thalidomide was used as a sedative in the 1950s and was withdrawn from the market after initial reports of teratogenicity in 1961. In 1998, the US Food and Drug Administration (FDA) approved the drug as a treatment for erythema nodosum leprosum. The finding of increased angiogenesis in myeloma, coupled...

Lessons Learnt from Two Women with Morbidly Adherent Placentas and a Review of Literature

Pathologically adherent placenta occurs when there is a defect of the decidua basalis, resulting in abnormally invasive implantation of the placenta into the substance of the uterus. As a result, there is no clear plane between the placenta and the underlying uterus to which it is implanted. The extent...

Pars Plana Vitrectomy and Internal Limiting Membrane Peeling for Macular Oedema Secondary to Retinal Vein Occlusion: a Pilot Study

Macular oedema is a major cause of visual impairment in a number of ocular conditions such as diabetic retinopathy, retinal vein occlusion, Irvine-Gass syndrome and uveitis.1 In one study, cystoid macular oedema contributed to 37.9% of low vision in patients with retinal vein occlusion.2 Persistent macular oedema may lead...

Is There a Place for Placebo in Management of Psychogenic Movement Disorders?

The term “placebo” is derived from St Jerome’s Latin Psalm, placebo domino in regione vivorum (I shall please the Lord in the land of the living).1 Placebos were fake substances or rituals used by medieval physicians to “please” patients for whom no cure was available. Arguably, acceptable uses for...

A New Method for the Removal of Safety Pins Ingested by Children

Foreign body ingestion is a relatively common problem, with an estimated incidence of 120 per 1 million population, resulting in approximately 1500 deaths each year. Toddlers form the most vulnerable group. Swallowed objects may be true foreign bodies such as coins, plastic toys, bones, pins and disc batteries.1,2 The...

Paradoxical Orthodeoxia in a Patient with a Large Thoracic Aortic Aneurysm

We report an unusual case of “paradoxical orthodeoxia” in a man with a large asymptomatic thoracic aneurysm of the ascending aorta, arch and proximal descending aorta. He was found to have arterial deoxygenation when supine, that improved in the erect position. This article is available only as a PDF. Please...

Case Reports of Transient Loss of Vision and Systemic Lupus Erythematosus

In 1999, the American College of Rheumatology (ACR) research committee defined 19 specific neuropsychiatric systemic lupus erythematosus (SLE) syndromes to achieve a consensus in defining this broad disease spectrum which accounts for 4% to 16% of SLE mortality and may affect as many as 90% of SLE patients.1 They...

Angioedema and Systemic Lupus Erythematosus – A Complementary Association?

Systemic lupus erythematosus (SLE) is an autoimmune multi-system disease of unknown aetiology with protean clinical and laboratory manifestations and a variable course and prognosis. We report angioedema as the initial presentation that led to a diagnosis of SLE in a middle-aged female. This article is available only as a PDF....

Noninvasive follicular thyroid neoplasm with papillary-like nuclear features and the risk of malignancy in thyroid cytology: Data from Singapore

As only 5–10% of thyroid nodules harbour malignancy, fine-needle aspiration (FNA) is important in triaging nodules requiring surgical excision from nodules that may be observed.1,2 This approach allows risk stratification that can reduce the rate of benign lesion removal by diagnostic lobectomies3 and its associated postoperative morbidity.4 However, thyroid...

Characteristics of unplanned hospitalisations among cancer patients in Singapore

Cancer is a pervasive global problem with growing healthcare utilisation and costs.1-3 This situation is similar in Singapore where cancer incidence is on the rise and accounts for nearly 30% of total population mortality.4,5 Singapore data suggests that cancer patients accounted for 13% of total healthcare costs in 2016,...

The case for better hospitalisation selection in cancer patients

Public hospital occupancy rates and resource utilisation in Singapore are perennially high. In the last 2 years of the COVID-19 pandemic, there has been a significant strain on public healthcare systems to balance the demands of the pandemic and usual medical care. There is little literature detailing emergency department (ED)...

Symphysis Pubis Diastasis After Normal Vaginal Birth: A Case Report

The reported incidence of symphysis pubis diastasis following vaginal delivery is very low. The injury is more commonly caused by severe trauma from road traffic accidents and falls from heights. The reported incidence of peripartum pubic separation varies from 1 in 300 to 1 in 30,000 deliveries,1,2 although it...

Successful Rehabilitation With Cochlear Implant in Post-irradiation Induced Hearing Loss in Nasopharyngeal Carcinoma Patient

Nasopharyngeal carcinoma (NPC) is a common disease in Asia.1 Radiotherapy is the mainstay of treatment. Following radiotherapy, complications like profound sensorineural hearing loss may occur. If functionally active auditory fibres survive and there are no signs of recurrent tumour, we believe that successful rehabilitation is possible with a cochlear...

Emphysematous Gastritis: A Case Report and a Review of Literature

A 45-year-old Chinese lady, who is a known hepatitis B carrier, presented with increasing alpha fetoprotein levels and a palpable liver 6 cm below the costal margin. Computed tomography (CT) scan of the abdomen showed a large heterogeneous mass in the right lobe of the liver, and she underwent...

Efficacy of Limited-Duration Spinal Cord Stimulation for Subacute Postherpetic Neuralgia

Peripheral and central sensitisation of the nervous system through prolonged pain is commonly believed to be a mechanism responsible for facilitating the development of chronic pain. This suggests the importance of suppressing the sensitisation at the earliest possible stages of the pain process.1 From this perspective, spinal cord stimulation...

Metastatic Bladder Cancer Presenting as Duodenal Obstruction

Bladder cancer is the most common malignancy of the urinary tract. Peak incidence is in the 6th and 7th decades although recent trends have shown an increase among younger patients.1 The majority of patients present with lower urinary tract symptoms, the most frequent of which is painless haematuria. Presentation...

Successful Preimplantation Genetic Diagnosis of Hb Bart’s Hydrops Fetalis in Singapore after Fresh and Frozen Embryo Replacement Cycles

Alpha-thalassaemia is one of the most common genetic disorders worldwide. It results from absent or reduced production of a-globin chains caused by mutations in the a-globin gene cluster. The a-thalassaemia mutations usually involve deletions of one (-a) or both (--) a-globin genes, and are prevalent within Southeast Asia. In...

Food-dependent Exercise-induced Anaphylaxis – A Review of 5 Cases

Anaphylaxis is a severe, potentially fatal, systemic reaction that occurs suddenly after contact with an allergy-causing substance, typically involving 2 or more systems: skin/mucosal, gastrointestinal, cardiovascular or respiratory systems.1-4 It is an increasingly important emergency, notably in Western countries, especially among children.5,6 The age-sex standardised incidence of anaphylaxis was...

Imaging Findings of Chronic Subluxation of the Os Odontoideum and Cervical Myelopathy in a Child with Beare-Stevenson Cutis Gyrata Syndrome after Surgery to the Head and Neck

Fractures of the odontoid typically involve the synchondrosis between the odontoid process and body of the axis in the paediatric age group. However, to our knowledge, a chronic subluxation of the os odontoideum resulting in cervical myelopathy has yet to be described in a child with the Beare-Stevenson cutis...

Residual Neurovascular Function and Retinotopy in a Case of Hemianopia

Homonymous hemianopia is one of the most common forms of acquired visual field defects.1 It is typically produced by head injury, tumours or stroke that damage the occipital cortex, postgeniculate pathways or both.1 This leads to the impairment in basic functions, such as reading, visual search and navigation. Thus,...

Outcomes of Oral Tongue Cancer: Does Age Matter?

Oral cancer (including oral cavity and oropharynx) is the eighth most common cancer worldwide with oral cavity cancer among the 3 most common malignancies in south central Asia. Oral cavity cancer, including oral tongue, is associated with a relatively high mortality rate particularly in the developing countries. This article is...

Primary Lymphoedema at an Unusual Location Triggered by Nephrotic Syndrome

Lymphatic system returns proteins, lipids and accompanying water from the interstitium to the venous circulation near the subclavian vein-internal jugular vein junction, bilaterally. Lymphoedema results from impaired lymphatic transport leading to the pathologic accumulation of protein-rich lymphatic fluid in the interstitium, most commonly in the extremities.1 Lymphoedema may be...

Hepatocellular Carcinoma Peritoneal Metastases: Report of Three Cases and Collective Review of the Literature

Peritoneal dissemination of hepatocellular carcinoma (HCC) is a rare presentation, with an incidence of 2% to 6% detected during autopsy or laparoscopy. Although uncommon, the morbid and fatal complications associated with peritoneal metastases, especially in patients with liver cirrhosis and coagulation deficiencies, deserve renewed attention given recent advances in...

Surgical Metastasectomy in AJCC Stage IV M1c Melanoma Patients with Gastrointestinal and Liver Metastases

The prognosis of patients with stage IV melanoma or recurrent melanoma is poor with an estimated median survival period of 6 months. The recent revised version of the American Joint Committee on Cancer (AJCC) staging system for cutaneous melanoma has further sub-divided melanoma metastatic sites to 3 specific categories;...

Live or Let Die: Ethical Issues in a Psychiatric Patient with End-stage Renal Failure

Ms T was a single, 41-year-old Chinese female who had been diagnosed with schizoaffective disorder at the age of 21. Her illness was characterised by frequent relapses and admissions to hospital; the longest admission was for more than a year when she was 27 years old. This article is available...

Coexistence of Unicentric Castleman’s Disease and Locally Advanced Papillary Renal Cell Carcinoma: More Than a Coincidental Association?

Castleman’s disease (CD) is an enigmatic lymphoproliferative disorder due to its rarity, uncertain aetiopathogenesis and heterogeneous clinicopathologic forms. This case report presents an unusual case of concomitant hyaline-vascular type CD of unicentric retroperitoneal localisation and stage IV (T2N2M0) papillary renal cell carcinoma (RCC). This article is available only as a...

Management of Thrombotic Thrombocytopenic Purpura in Metastatic Prostate Cancer with only Endocrine Therapy

Thrombotic thrombocytopenic purpura (TTP) is a systemic disorder that presents acutely with multiple organ failure. Although defined classically as a syndrome with a pentad of features, it is accepted now that a diagnosis can be made with the dyad of microangiopathic haemolytic anaemia and thrombocytopenia. This article is available only...

Phosph-Akt1 Expression is Associated with a Favourable Prognosis in Pancreatic Cancer

Pancreatic cancer is the fourth leading cause of cancer related mortality worldwide with an estimated 34,290 deaths recorded in the United States in 2008. Of these, pancreatic ductal adenocarcinoma (PDAC) accounts for ~90% of all cases. This article is available only as a PDF. Please click on “Download PDF” on...

Guidelines for Endoscopic Ultrasonography

This guideline addresses the use of endoscopic ultrasound (EUS) as part of the diagnostic evaluation of certain conditions. In addition, issues of training and credentialing in EUS and complications of this procedure are also dealt with, within these guidelines. EUS combines features of endoscopy and ultrasonography in order to...

Prospective Audit of Febrile Neutropenia Management at a Tertiary University Hospital in Singapore

Febrile neutropenia (FN) is considered a medical emergency and remains a major cause of morbidity and mortality in Oncology and Haematology units worldwide. A study analysing pooled FN data from 115 US academic medical centres between 1995 and 2000 showed that the overall in-hospital mortality was 9.5%, whereas pooled...

Inflammatory Tinea Capitis: Non-healing Plaque on the Occiput of a 4-year-old Child

Tinea capitis is a fungal infection of the hairs of the scalp. Although commonly described in children, it is uncommonly seen in Singapore. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

An Audit Study of the Sensitivity and Specificity of Ultrasound, Fine Needle Aspiration Cytology and Frozen Section in the Evaluation of Thyroid Malignancies in a Tertiary Institution

Thyroid lesions constitute a considerable bulk of surgical practice, majority of which are thyroid nodules. A large population study revealed that clinically apparent thyroid nodules were present in 6.4% of women and 1.5% of men. This article is available only as a PDF. Please click on “Download PDF” on top...

Angioplasty on an Infarct-related Anomalous Right Coronary Artery Arising from Posterior Coronary Sinus

A 60-year-old chronic smoker had delayed presentation (>18 hours) of acute inferior myocardial infarction with electrocardiogram showing 1.0 mm ST-segment elevation in leads II, II, and aVF on admission to hospital. Subsequently, he developed sustained complete atrioventricular block with no ventricular escape which necessitated temporary pacing. This article is available...

Cardiac Rupture due to Fall: A Case Study

Studies have shown that cardiac ruptures due to blunt trauma are seen more often than expected. Isolated left ventricular injuries tend to be less common in blunt traumatic injuries, However, epicardial injuries and atrial ruptures are common findings in deaths due to falls. Literature reveals that cardiac injury should...

Diagnostic Challenge: A 79-Year-Old Woman with Calcified Lower Abdomen Mass

A 79-year-old woman presented with fever, diarrhoea, vomiting and abdominal pain for several hours. Her temperature was 39.2°C, pulse 102 beats/minute, respiratory rate 19 breaths/minute, and blood pressure 149/74 mmHg. A physical examination revealed diffuse abdominal tenderness. This article is available only as a PDF. Please click on “Download PDF”...

Inadvertent Use of Bevacizumab to Treat Choroidal Neovascularisation During Pregnancy: A Case Report

The recognition that vascular endothelial growth factor (VEGF) plays an important role in the pathogenesis of neovascular age-related macular degeneration (NVAMD) has led to the development of several intravitreal anti-angiogenic therapeutics. Ranibizumab (Lucentis, Genentech, San Francisco, USA) and pegaptanib (Macugen, OSI/Eyetech Pharmaceuticals, New York, USA) have been FDA-approved for...

Laparoscopic Common Bile Duct Exploration: Our First 50 Cases

Since its introduction a few decades ago, endoscopic retrograde cholangiopancreatography (ERCP) has brought about a significant change in the management of choledocholithiasis. With continual improvement in the technology and expertise in laparoscopic techniques, laparoscopic common bile duct exploration (CBDE) is becoming more popular and may be the next paradigm...

Complementary and Alternative Medicine among Singapore Cancer Patients

Worldwide, the use of Complementary and Alternative Medicine (CAM) by cancer patients is highly prevalent. For cancer specialists, knowledge on CAM use in their patients is particularly important as there can be potentially hazardous drug interactions between some forms of oral CAM and chemotherapy or radiotherapy. This article is available...

rTSβ as a Novel 5-fluorouracil Resistance Marker of Colorectal Cancer: A Preliminary Study

Although colorectal cancer is common in Western countries, in the past, it has been uncommon in Asian countries. However, its prevalence has gradually been increasing. Since 1982, malignant cancers have been the leading cause of death in Taiwan. This article is available only as a PDF. Please click on “Download...

Dilemmas in Management of Brain Tumours in Pregnancy

Brain tumours in pregnancy are rare with an incidence of 15 per 100,000 and previous reports have shown variable outcomes. We present a case of glioblastoma multiforme (GBM) in pregnancy in which the patient underwent emergency craniotomy and adjuvant radiotherapy before delivering a healthy baby with good outcome. This article...

A Unique Pair of Monozygotic Twins with Concordant Clear Cell Renal Cell Carcinoma: A Case Report

Studies of monozygotic and dizygotic twins represent an important approach in estimating the relative contributions of genes and environment to the development of various cancers and disease in general. However, remarkably and almost curiously, there has been no monozygotic twin-pair concordant for clear cell renal cell carcinoma (ccRCC) reported...

Peritoneal-based Malignancies and Their Treatment

Peritonectomy or cytoreductive surgery has been described as the treatment of choice for selected patients with evidence of peritoneal carcinomatosis (PC) from the gastrointestinal tract, peritoneum, ovaries and the disease of pseudomyxoma peritonei. Median survivals in a carefully selected patient population have been shown to exceed that of systemic...

Immunophenotypic, Cytogenetic and Clinical Features of 113 Acute Lymphoblastic Leukaemia Patients in China

Acute lymphoblastic leukaemia (ALL) is a heterogeneous disease with abnormal proliferation and accumulation of immature lymphoblasts within the bone marrow (BM), peripheral blood and lymphoid tissues, and is composed of different genetic, biological, and clinically relevant subtypes. Morphological and cytochemical methods were the main tools for diagnosis and classification...

Peutz-Jeghers Syndrome: Data from the Singapore Polyposis Registry and a Shifting Paradigm in Management

Peutz-Jeghers Syndrome (PJS) is an uncommon autosomal dominant hamartomatous polyposis syndrome associated with mucocutaneous melanocytic macules. Melanin deposition occurs most commonly in the perioral region and buccal mucosa, but these maccules may also be found on the hands, feet and perianal regions. This article is available only as a PDF....

Thrombocytopenia and its Related Factors: A Hospital-based, Cross-sectional Study

Thrombocytopenia is a common clinical problem found in laboratory results during health examinations. Blood platelets play an essential role in haemostasis, thrombosis and coagulation of blood. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Radiological Outcome of Short Segment Posterior Stabilisation and Fusion in Thoracolumbar Spine Acute Fracture

The management of unstable thoracolumbar spine fractures remains controversial in spite of an improved knowledge of the morphometric, anatomic and biomechanical features of thoracolumbar vertebrae. The transpedicular short-segment construct represents an attempt to rebuild the anterior column without the need for anterior strut graft or plate fixation, hence, avoiding...

Surgical Remodelling of Haemodialysis Fistula Aneurysms

The Kidney Disease Outcomes Quality Initiative (DOQI) guideline 3 recommends autogenous radiocephalic and brachiocephalic arteriovenous fistula (AVF) as the first and second choices of treatment for primary permanent vascular access in patients with kidney failure. A native arteriovenous fistula is now widely accepted as the vascular access of choice...

Managing a Case of Extensively Drug-Resistant (XDR) Pulmonary Tuberculosis in Singapore

Extensively drug-resistant tuberculosis (XDR-TB) is defined as TB which is resistant not only to the 2 best first-line anti-TB medications, rifampicin and isoniazid (known as multidrug-resistant or MDR-TB), but also to at least 1 of 3 injectable second-line agents (amikacin, kanamycin or capreomycin) and to any fluoroquinolone. XDR-TB is...

Managing buccal space tumours

Dear Editor, The buccal space is an infrequently addressed fascial space of the head and neck region. Intrinsic tumours of the buccal space are rare and hence present a management challenge. In a recent systematic review of 217 patients, 4 main surgical approaches were identified (intraoral, extended parotidectomy/rhytidectomy, transcutaneous...

Acute Marjolin’s Ulcer: A Forgotten Entity

Marjolin’s ulcers are malignancies that arise from areas of chronic irritation or injury that undergo malignant transformation after a period of many years. Such lesions are predominantly squamous cell carcinomas (SCC) and have long been associated with burn scars. Here we describe an unusual case of Marjolin’s ulcer that...

Kidney Cancer and Diabetes Mellitus: A Population-Based Case-Control Study in Taiwan

Kidney cancer accounts for 3% to 4% of all cancers. In a systematic review by Mathew and et al,2 the incidence of kidney cancer was the highest in France (16.1 per 100,000 man-years) and the lowest in India (0.9 per 100,000 woman-years) during 1988 to 1992. A trend analysis in...

A 22-year-old Woman Had a Lung Mass

A 22-year-old woman had an abnormal chest X-ray (Fig. 1) in her regular health examination. She was asymptomatic and a non-smoker. Chest computed tomography (CT) revealed a 4-cm soft tissue mass with internal calcification (Fig. 2A) and enhancement in the left lower lobe (Fig. 2B). The patient received left...

Bilateral Polychromatic Crystalline Keratopathy as the Initial Manifestation of IgG-Lambda Multiple Myeloma

Dear Editor, Multiple myeloma is a subgroup of plasma cell dyscrasias with neoplastic proliferation of plasma cells or their precursors. Crystalline keratopathy is a well-recognised but rare ocular manifestation of multiple myeloma. We present a rare case of IgG-lambda multiple myeloma that manifested as polychromatic crystals in the cornea—a presentation...

Low-Grade Fibromyxoid Sarcoma of the Thyroid: A Case Report

Dear Editor, Low-grade fibromyxoid sarcoma (LGFMS) is a rare form of neoplasm that usually occurs in the deep soft tissue of the lower limbs with a tendency towards local recurrence and distant metastasis. LGFMS affects mainly the young and middle-aged, with both gender having an equal chance of being affected. To...

Five Patients with Medullary Thyroid Carcinoma Presenting as Asymptomatic Elevation of Carcinoembryonic Antigen Level

Early detection of malignancies is not easy. Few methods of health screening have been proven to be of value. The use of carcinoembryonic antigen (CEA) in health screening has never been proven to result in early detection of cancers but requests to test tumour markers continue to be made....

Fasting during Ramadan and Associated Changes in Glycaemia, Caloric Intake and Body Composition with Gender Differences in Singapore

Muslim individuals worldwide participate in obligatory abstinence from oral consumption of medications, food and liquid during the fasting month of Ramadan. Fasting during Ramadan is one of the 5 pillars of Islam. However, Islam exempts individuals whose health may be significantly affected from fasting. Despite this, up to 80%...

Too Much Medicine: Time to Stop Indiscriminate Cancer Screening

Like most industrialised countries in the world, cancer has now become the leading cause of mortality in Singapore. Approximately 1 in 3 deaths in Singapore today is as a result of cancer. It is therefore unsurprising that cancer screening has become an integral part of health screening in primary...

Assessment of Age in Ulcerative Colitis Patients with Ileal Pouch Creation—An Evaluation of Outcomes

A total proctocolectomy is considered the standard of care in patients with ulcerative colitis (UC). The indications for this operation in patients with UC include failure of medical treatment or dysplastic changes following endoscopic evaluation. The timing of the surgery could hence be highly variable among patients. This article is...

Outcomes of oesophageal cancer treated with neoadjuvant compared with definitive chemoradiotherapy

Oesophageal cancer is the 7th most common cancer in the world, with 572,034 new cases diagnosed in 2018, and is the 6th most common cause of cancer-related mortality worldwide. Oesophageal squamous cell carcinoma (SCC) is the predominant histological subtype. However, the incidence of adenocarcinoma has risen among the Western...

Congenital adhesion band causing recurrent subacute intestinal obstruction in a virgin abdomen

Intestinal obstruction (IO) caused by malignancy and adhesion bands from previous surgery is common among adults. However, IO caused by congenital adhesion bands (CAB) in the elderly is rare. We report a case of a 63-year-old man who presented with acute-on-chronic intestinal obstruction due to CAB, which caused pseudointestinal...