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Impact of family and caregiver factors on development and behaviours in maltreated young children

Child maltreatment is defined as the neglect and abuse of children under 18 years old. It encompasses physical/emotional ill-treatment, sexual abuse, negligence and/or exploitation that causes harm to the child.1 Evidence has shown that Adverse Childhood Experiences (ACEs), such as maltreatment experienced during childhood, have a significant impact on...

Assessing the impact of frailty in elderly patients undergoing emergency laparotomies in Singapore

The ageing population is a growing global phenomenon. In 2019, 14.4% of the population in Singapore, equivalent to 3.9 million people, were aged 65 years or older.1 This percentage is expected to increase to 25% by 2030, primarily due to increased life expectancy and lower fertility rates.1 Consequently, older...

The value of frailty assessments in older surgical patients undergoing emergency laparotomies in Singapore

Mortality in emergency laparotomy (EL) far exceeds that of elective bowel surgery, and standards for the National Emergency Laparotomy Audit (NELA) in the UK were introduced due to the high mortality within 1 month of EL.1 In Singapore, 30-day mortality varies between 5.4% and 14.7% after EL.2,3 However, 30-day...

Frailty-aware surgical care: Validation of Hospital Frailty Risk Score (HFRS) in older surgical patients

Frailty is a clinically recognisable state of vulnerability in older people, resulting from age-associated decline in physiological reserves and function across multiple organ systems, such that the ability to cope with acute stressors is compromised.1 Frailty is prevalent among older people2 and is associated with higher rates of utilisation...

The practice patterns and perceptions of surgeons in Singapore regarding breast-conserving surgery

Dear Editor, Breast-conserving surgery (BCS) is often the preferred treatment in operable breast cancer.1 While tumour biology and systemic therapy are major determinants of disease control, surgical effectiveness remains a key factor in ipsilateral breast tumour recurrence.1 As heterogeneity in surgical approach has been observed, we sought to understand Singaporean...

Breast conservation treatment and frozen section analysis of margins

Dear Editor, Re. Surgical margins assessment reduces re-excision rates in breast-conserving surgery I read with interest the article by Woon et al. published in a recent issue of the Annals on the reduction of re-excision rates with the use of intraoperative frozen section (FS) analysis.1 This certainly has the potential...

A perfect match: The story of robotics in gynaecology

Dear Editor, The first use of surgical robotics started in the domain of orthopaedic and urological surgery. However, it was the initial concept of using a robot in performing remote damage control surgeries on the battlefield that sparked the commercialisation of robotic surgical technology for use in operating rooms.1 The...

Robotic surgery in morbidly obese women with endometrial cancer in Singapore

Dear Editor, The standard of care for endometrial cancer is a total hysterectomy with bilateral salpingo-oophorectomy, and pelvic lymph node dissection (THBSO-PLND). Obesity is a known risk factor for endometrial cancer, and obese patients are challenging to operate on due to their anatomy and comorbidities. A recent database search showed...

Association between self-care and chronic kidney disease in patients with type 2 diabetes mellitus

Dear Editor, Chronic kidney disease (CKD) is one of the key complications occurring in 25–40% of patients with type 2 diabetes mellitus (T2DM).1 Our earlier study also showed that CKD was present in 53% of patients with T2DM recruited from a secondary care diabetes centre and primary care polyclinic...

Surgical margins assessment reduces re-excision rates in breast-conserving surgery

Dear Editor, Breast-conserving surgery (BCS) followed by radiation therapy for breast cancer offers improved cosmetic results and comparable long-term survival rates as mastectomy.1 However, BCS is associated with a higher risk for local recurrence, and published literature has reported re-excision rates as high as 20–70% due to positive resection...

National surgical antibiotic prophylaxis guideline in Singapore

Surgical antibiotic prophylaxis (SAP) refers to the administration of antibiotics prior to clean and clean-contaminated surgeries to prevent postoperative surgical site infections (SSIs). An optimal SAP should be highly effective in preventing SSI. An ideal prophylactic antibiotic regimen is: (1) effective against pathogens—generally skin flora—most likely to contaminate the...

Iatrogenic atrial septal defect after catheter ablation—to close or not to close?

Dear Editor, Transseptal access to the left heart is increasingly performed for electrophysiological procedures and for structural heart disease interventions such as balloon mitral valvuloplasty (BMV), left atrial appendage closure (LAAC) and transcatheter mitral valve repair (TMVr). Most of the iatrogenic atrial septal defects (iASDs) close spontaneously, and for those...

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...

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.

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....

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.

Percutaneous Needle Aspiration in the Treatment of Hepatic Abscess: Factors Influencing Patients’ Outcome

Liver abscess traditionally has been treated by open surgical drainage, mortality rates being as high as 80% to 100% if left untreated. However, with the advent of modern non-invasive imaging techniques, percutaneous techniques performed under imaging guidance have, over the recent years, become increasingly acceptable as a suitable alternative...

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...

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...

The Role of Multiple Segment Osteotomies in Orthognathic Surgery

Multiple segment osteotomy (MSO) orthognathic surgery serves to combine total or segmental maxillary and mandibular correction of dentofacial deformities with concurrent diastematic procedures to provide immediate repositioning of dental-osseous elements. In addition, splitting the palate may often be necessary to correct a functionally poor relationship of the maxilla to...

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”...

Changing the Institutional Practice of Prolonged Mechanical Ventilation after Coronary Artery Bypass Graft Surgery to Early Extubation

In the past, cardiac patients in this institution were ventilated postoperatively for a prolonged period, frequently overnight. Since 1997 some of our cardiac anaesthetists have, whenever possible, adopted the practice of early extubation after cardiac surgery to improve the patient’s level of comfort and to allow an early return...

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.

Bidirectional Cavopulmonary Anastomosis

Children with complex congenital heart disease and a functional single ventricle may not be ideal candidates for a Fontan procedure. A staged approach to Fontan’s operation has been undertaken in an effort to reduce the volume load of a single ventricle as early as possible and to minimise the...

Efficacy of Contraction Uncoupling by 2,3-Butanedione Monoxime during Initial Reperfusion versus Cardioplegic Arrest for Protection of Isolated Hearts

Despite the recent developments of minimally invasive surgery, most cardiac surgery procedures still include ischaemic cardioplegic arrest and cardiopulmonary bypass. For decades the efforts of many researchers aimed at improvement of cardioplegic solutions to minimise ischaemic injury of the myocardium. This article is available only as a PDF. Please click...

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...

Minimally Invasive Repair of Atrial Septal Defects—A Case Series

Atrial septal defect (ASD) forms the commonest grown up congenital heart diseases seen in cardiac surgical practice. Repair of this has become so safe that the emphasis now is on cosmetic outcome. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

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...

Cardiopulmonary Exercise Testing in Heart Transplant Candidates

Congestive heart failure (CHF) is a leading cause of cardiovascular morbidity and mortality. This syndrome tends to run a chronic course with a wide spectrum of compensatory physiological and neurohormonal mechanisms that may be maladaptive in the terminal phase of the illness. This article is available only as a PDF....

Long-Term Outcome of Aortofemoral Bypass for Aortoiliac Occlusive Disease

The management of aortoiliac occlusive disease has been evolving in the past few decades. Surgical options include aortofemoral bypass, endarterectomy, extraanatomical bypass and endovascular intervention. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

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...

Early Hepatocellular Carcinoma Presenting with Biliary Ductal Invasion—A Case Report

Hepatocellular carcinoma (HCC) is a common malignant tumour worldwide. The local incidence of HCC is 40 per 100,000 in males and 20 per 100,000 in females. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

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...

Impact of COVID-19 infections among kidney transplant recipients

Dear Editor, More than 2 years since the start of the COVID-19 pandemic, cases continue to climb despite global efforts at viral control. This is largely driven by the emergence of viral variants. In the later part of 2021, the Delta variant was the predominant variant circulating globally, and was...

Paediatric living-donor liver and kidney transplantation during COVID-19

Dear Editor, The coronavirus disease 2019 (COVID-19) pandemic has impacted global healthcare including paediatric solid organ transplantation (SOT). We report our experience of resuming paediatric living-donor SOT during COVID-19, which took into account safety considerations for living donors, paediatric recipients and the transplant healthcare team. The US Centers for Disease...

Incidence and risk factors of delirium in post-anaesthesia care unit

Post-anaesthesia care unit (PACU) delirium is defined as a disorder in thought processes that affect cognition in terms of memory, comprehension and attention.1 It has a strong association with postoperative delirium, which is present in up to 45% of patients after surgery.2-5 PACU is a wide-reaching problem, and especially...

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.

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...

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...

Abdominal Complications after Cardiac Surgery

Despite intensive therapeutic efforts, both the incidence and mortality of gastrointestinal complications after cardiac surgery employing cardiopulmonary bypass (CPB) have not decreased during the last two decades. Gastric bleeding, ischaemic bowel disease, gallbladder disease, and pancreatitis are reportedly the most common complications. This article is available only as a PDF....

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.

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...

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...

Transesophageal Echocardiography or Fluoroscopy During Port-Access Surgery?

Minimally invasive techniques are increasingly being used in cardiac surgery. In particular, coronary artery bypass grafting (CABG) and mitral valve surgery are now often done using a limited approach to the heart. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

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...

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...

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.

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...

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...

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...

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...

Surgery for Atrial Fibrillation

Atrial fibrillation is the most common sustained cardiac arrhythmia. The overall prevalence of atrial fibrillation is 0.4%. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Cardiovascular Medicine and Surgery in Singapore: The Next Lap

Fourteen years ago, an editorial in the Annals announced the coming of age of cardiology in Singapore. Among the issues raised in that editorial were the impact of changing demographics and disease patterns, the importance of optimising resources, and the need for structured training and sub-specialisation. This article is available...

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.

Deep Hypothermic Circulatory Arrest in Adults Undergoing Aortic Surgery: Local Experience

The use of deep hypothermic circulatory arrest (DHCA) as a method of cerebral protection during aortic surgery was first described in 1975. Its use is based on 2 fundamental concepts. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Routine Microbiological Screening in Septic Patients in a Cardiac Surgical Intensive Care Unit

Compared to in-hospital patients, patients treated in an intensive care unit (ICU) have the highest risk of contracting an infection. The risk correlates well with underlying and accompanying diseases and invasive monitoring. This article is available only as a PDF. Please click on “Download PDF” on top to view the...

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....

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.

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...

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...

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...

Infected Pancreatic Necrosis – An Evaluation of the Timing and Technique of Necrosectomy in a Southeast Asian Population

The management of necrotising pancreatitis has improved significantly over the last 2 decades, with a corresponding improvement in mortality rates. This improvement is largely attributed to advances in supportive therapy, diagnostic radiology and a better understanding of the pathophysiology of necrotising pancreatitis. This article is available only as a PDF....

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....

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...

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...

Inadvertent Fracture During the Attempted Removal of Entrapped Swan-Ganz Catheter

Pulmonary artery catheter is widely used in cardiovascular surgical practice. Various complications of the Swan-Ganz catheter during insertion, its long-term placement, or removal are well known since its introduction. 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...

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.

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...

The Relationship between Postoperative Complications and Outcomes after Hip Fracture Surgery

Hip fractures constitute a major health concern for older persons and are associated with significant morbidity and mortality, with 1-year mortality rates ranging from 14% to 36% in spite of advancements in anaesthesia, surgical techniques and nursing care.1,2 In addition, epidemiological studies have shown that the incidence of hip...

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....

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...

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.

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...

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...

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...

Surgical Training in Singapore: Will Patients Consent to Trainee Surgeons Performing Their Operations?

Teaching, training, appraising and assessing doctors and students are important for the care of patients now and in the future.1 In most hospitals, trainee surgeons play a substantial role in providing healthcare and surgical services, under the supervision of a consultant. The Departments of Hand Surgery and Orthopaedic Surgery...

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...

The Role of Electrophysiology in the Diagnosis and Management of Cervical Spondylotic Myelopathy

Cervical spondylosis is an extremely common condition managed by both physicians and surgeons in daily clinical practice. Cervical spondylotic myelopathy (CSM), resulting from longstanding degenerative impingement of the spinal cord and nerve roots by osteo-cartilagineous elements, is managed by conservative or surgical methods.1 While surgery is often performed in...

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...

An End to “See One, Do One and Teach One” Residency Training Programme – Impact of the Training, Education, Surgical Accreditation and Assessment (TESA) Programme on Medical Care and Patients’ Safety†

The delivery of good medical care and the safety of patients are of utmost importance in all healthcare systems. Indeed, healthcare providers need to rely on one anothers’skills to minimise risk and decrease the number of medical errors.1 This is of particular concern in the practice of obstetrics and...

From a “Generalist” Medical Graduate to a “Specialty” Resident: Can an Entry-level Assessment Facilitate the Transition? Assessing the Preparedness Level of New Surgical Trainees

Undergraduate medical education is considered a continuum leading into postgraduate training and ultimately medical practice.1 To this effect, it has been suggested that measures of performance of medical students and practising doctors should be aligned and the transition should be a smooth one. However, studies show a poor correlation...

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...

The Role of Surgery in High-grade Glioma – Is Surgical Resection Justified? A Review of the Current Knowledge

High-grade glioma (malignant glioma) is the most common primary intra-axial tumour of the central nervous system (CNS). Despite recent therapeutic advances in glioma treatment, the outcome for high-grade glioma has been disappointing. The first reported case of glioma resection was performed by Rickman Godlee in 1884.1 More than a...

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...

Beware the anterior lying recurrent laryngeal nerve in a retro-oesophageal goitre

A 36-year-old woman presented with a 4-month history of right neck lump. She had mild shortness of breath, but no dysphagia or voice changes. Clinical examination found a firm right thyroid mass that moved with swallowing, consistent with a right thyroid lesion. Ultrasound evaluation of the lump revealed a...

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....

Mohs micrographic surgery in Singapore: A long-term follow-up review

Dear Editor, Mohs micrographic surgery (MMS) has become the treatment of choice for high-risk non-melanoma skin cancers (NMSC) worldwide.1 Unlike wide local excision, MMS enables precise microscopic removal of tumour foci while allowing maximal tissue preservation, thereby maintaining cosmesis and anatomical function.1 The MMS service in Singapore started in...

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,...

5th College of Surgeons Lectureship: Surgery beyond Scalpels

The training of surgeons composed of two aspects: (1) Clinical skill and competence; (2) The ‘soft’ skill and ‘art’ of surgery. With the gradual introduction of residency programme into the surgical discipline, hopefully our clinical training will be more systematic, closely supervised, monitored, assessed and reassessed, and structured. This article...

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...

Off-pump Coronary Artery Bypass is a Safe Option in Patients Presenting as Emergency

Percutaneous coronary intervention (PCI) is the preferred therapy strategy for revascularisation in the case of an acute coronary syndrome (ACS) or acute myocardial infarction (AMI). This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

Renojejunal Fistula: An Extremely Rare Form of Renoenteric Fistula

Obstructive calculous disease of the kidney often results in infectious complications such as pyelonephritis and perinephric abscesses. Renojejunal fistula formation may occur as the inflammation becomes chronic. This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.

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.

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...

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...

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...

Submandibular Mass Excision in an Asian Population: A 10-year Review

Submandibular masses are common presenting complaints in the outpatient setting. The differential diagnosis of a submandibular mass lesion can be salivary gland pathology, lymph nodal disease or soft tissue conditions. The more common submandibular gland pathologies include sialadenitis, sialolithiasis, pleomorphic adenoma, lymphoma and carcinomas. This article is available only as...

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...

Early Outcome Following Emergency Gastrectomy

Emergency gastrectomy has been associated with high morbidity and mortality rates. These complications arise as a direct consequence following the procedure, such as duodenal stump leak and intra-abdominal collections, or more frequently, because of the resultant systemic complications. This article is available only as a PDF. Please click on “Download...

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...

Asia’s First Successful Minimally Invasive Transapical Transcatheter Mitral Valve-in-Valve Implantation

Dear Editor, Reoperation for mitral valve re-replacement in patients with patent coronary bypass grafts can be a formidable task in the elderly. We report a patient that was successfully treated using a novel minimally invasive approach via the apex of the left ventricle. This article is available only as a PDF....

Get “Real” with Hysteroscopy Using the Pig Bladder: A “Uterine” Model for Hysteroscopy Training

Hysteroscopy is an important surgical component of any training programme in gynaecology. Traditionally, surgical training in hysteroscopy occurred in the operating room where trainees first observe their senior performing the procedure, and then take on increasing roles in surgical cases under direct supervision. Often, hysteroscopic skills are acquired via a...

Long-term Outcomes of Medical Therapy Versus Coronary Revascularisation in Patients with Intermediate Stenoses Guided by Pressure Wire

Although coronary angiography has been used as the “gold standard” imaging technique for the diagnosis of coronary artery disease, it is essentially a lumenogram that offers no information on the functional significance of a coronary lesion. It is difficult to define the haemodynamic significance of a stenosis from the...

A Novel “Box Lesion” Minimally Invasive Totally Thoracoscopic Surgical Ablation for Atrial Fibrillation

  Atrial fibrillation (AF) is the most common and severe cardiac arrhythmia. It affects 0.4% to 1% of the general population, and the prevalence of AF,1 which increases with age, is 8% in people aged over 80. About three-quarters of the cases are non-valvular AF. The risk for stroke in...

A maxillary sinus mass

A 55-year-old Chinese woman presented to the ear, nose and throat clinic with a 6-month history of left-sided blood-stained mucus. It was dark brown with no epistaxis. There was no mucopus, nasal obstruction, facial pain or fever. She denies any history of hypertension, trauma, head and neck cancer, anticoagulation...

Rapidly progressive ulcer in an older woman

A fit and well 78-year-old woman with no significant past medical history presented to the Emergency Department with large painless perianal ulcers. It started as an erythematous patch that developed into pruritic perianal blisters, and rapidly evolved into a necrotic ulcer over 2 days. She denied any prior injury...

Joint preserving surgery for osteoarthritis of the big toe using a cartilage-like implant

Dear Editor, Osteoarthritis of the big toe (hallux rigidus) is a common arthritic condition of the first metatarsophalangeal joint (MTPJ), beginning with stiffness, pain and inflammation. This subsequently progresses to restriction of movements especially dorsiflexion.1 Articular surface degeneration and formation of periarticular osteophytes may be seen on radiographs.2 Common...

A survey of Singapore anaesthesiologists for practice and prevention of peri-operative hypothermia in adult surgical patients

Core temperature is the temperature of blood and internal organs; influenced by biorhythm, metabolism, activity and hormones. It is regulated within a narrow range, but this is impaired during general and/or neuraxial anaesthesia. Inadvertent peri-operative hypothermia is defined as a core temperature of <36C, the prevalence of which can...

Pilot study of single-session radiofrequency ablation of benign thyroid nodules in Singapore

Radiofrequency ablation (RFA) has been shown to be safe and efficacious in the treatment of benign thyroid nodules. Ion agitation during RFA generates high temperatures between 60 and 100 degree Celsius to cause tissue damage and size reduction.   This article is available only as a PDF. Please click on "Download...

Percutaneous paravalvular leak repair for severe aortic regurgitation after transcatheter aortic valve implantation (TAVI)

Paravalvular leaks (PVLs) are not uncommon after surgical valve replacement. The need for re-operation for clinically significant leaks is between 1 and 3%. Percutaneous PVL closure has become increasingly performed and is an alternative to surgery.1 PVLs occur more frequently after transcatheter aortic valve implantation (TAVI), as the transcatheter...

Impact of Chronic Kidney Disease on Outcomes in Transcatheter Aortic Valve Implantation

With improvements in device technology as well as increasing experience, transcatheter aortic valve implantation (TAVI) has replaced open surgical aortic valve implantation as the treatment of choice in severe symptomatic aortic stenosis (AS) patients who have prohibitive and high surgical risks. TAVI has also gained increasing uptake in patients...