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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.
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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.
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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...
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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.
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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).
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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.
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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.
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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.
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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.
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Original Article
Risk Factors for Predicting Mortality in a Paediatric Intensive Care Unit
Following the rapid advances in medical therapy and critical care technology over the past 30 years, coupled with the spiralling cost of medical care, outcome analysis including mortality risk prediction has become a challenge for the modern day intensivists. During the early 90s, the focus has shifted from the...
Others
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.
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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.
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Others
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.
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Others
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%.
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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.
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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...
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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.
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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...
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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.
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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...
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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.
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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.
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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.
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Others
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.
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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...
Original Article
Infections in Acute Lymphoblastic Leukaemia
Children undergoing chemotherapy for cancer are especially vulnerable to infection because of immunosuppression related to their underlying illness, the effects of chemotherapy and radiotherapy. Empiric antimicrobial chemotherapy is the mainstay of therapy for febrile neutropenic episodes pending the culture results.
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Original Article
Childhood Leukaemia: Towards an Integrated Psychosocial Intervention Programme in Singapore
In the last two decades there has been a surge of interest concerning the psychosocial correlates of life-threatening illnesses. Research in this area has focused especially on cancer and the possible link between immunology and psychological factors.
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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),...
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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...
Original Article
Caudal Morphine in Paediatric Patients: A Comparison of Two Different Doses in Children after Major Urogenital Surgery
The use of caudal preservative-free morphine for postoperative analgesia in children has gained popularity since it was first described by Jensen. Several studies have reviewed its use for inguinal and genital surgery in children.
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Original Article
A Retrospective Study of Infants with Severe Persistent Pulmonary Hypertension (PPHN) Managed without Extracorporeal Membrane Oxygenation (ECMO)
Persistent pulmonary hypertension (PPHN) is an important cause of neonatal mortality amongst infants who are of term or post-term gestation. The most severely ill of these infants would meet the criteria for the use of extracorporeal membrane oxygenation (ECMO).
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Original Article
Five Paediatric Case Reports of the Use of Adenosine in Supraventricular Tachycardia
Adenosine has been shown to be effective in terminating supraventricular tachycardia in adults and children. However, the use of adenosine has not been previously studied in Singapore children; hence we report our experience with the use of adenosine for the treatment and diagnosis of supraventricular tachycardia in children over...
Original Article
Use of Central Venous Lines in Paediatrics—A Local Experience
Peripheral access by venous cut down, once popular in the 1950s and 1960s, has almost become obsolete with the introduction of the Seldinger technique for percutaneous insertion of central venous lines. In 1973, Shaw invented a technique of cannulating peripheral veins with silastic catheters, as an alternative approach to...
Others
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...
Others
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.
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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.
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Others
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.
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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.
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Others
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.
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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.
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Others
Trilateral Retinoblastoma—A Case Report
Retinoblastoma is the third most common tumour in childhood. It is inherited genetically.
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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.
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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.
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Original Article
Survey of Aerobic Bacterial Infections in Paediatric Surgical Intensive Care Unit Patients
Data on infections in paediatric surgical patients are few in the literature. Although there are many studies on infection in adult surgical and paediatric medical patients, paediatric surgical patients are a special group in their spectrum of diseases and treatment requirements.
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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.
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Others
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.
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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.
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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.
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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...
Others
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.
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Others
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.
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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.
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Others
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.
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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.
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Others
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...
Others
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.
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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.
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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...
Others
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.
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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.
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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.
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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...
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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.
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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.
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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...
Others
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.
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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.
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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.
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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.
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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...
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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...
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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.
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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.
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Original Article
Parainfluenza Type 3 Viral Outbreak in a Neonatal Nursery
Parainfluenza viruses are relatively large RNA paramyxoviruses. Four serologic types cause disease in humans.
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T Wave Alternans and Acute Rheumatic Myocarditis: A Case Report
T wave alternans, an electrical cardiac alternans in which there is a beat-to-beat variation in the amplitude, shape or the polarity of the T wave during sinus rhythm without any changes in the QRS complex, is an uncommonly recorded rhythm. We report here an unusual case of T wave...
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The Future of Medicine from the Standpoint of the Practising Paediatrician
From the time of recorded history of medicine, the doctor whether he be the ancient healer or the modern medical practitioner, the doctor had practised the art and science, on the basis of curing the patient when he has an illness. The doctor is sought out when the patient...
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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.
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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.
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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.
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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.
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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.
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Original 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...
Original Article
Retinopathy of Prematurity in Very Low Birth Weight Infants
Retinopathy of prematurity (ROP), which could lead to visual impairment and blindness, is a recognised serious morbidity amongst surviving premature infants. The inverse relationship between the risk of this disease with birth weight and gestational age had been well-documented, in particular, in infants with birth weight ≤1500 g (very...
Others
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...
Others
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.
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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.
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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.
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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.
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Others
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.
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Others
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...
Others
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...
Others
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.
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Others
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...
Original Article
Transaminitis in Duchenne’s Muscular Dystrophy
Raised aminotransferase levels, especially that of alanine transaminase (ALT), have been traditionally attributed to liver pathology rather than to muscle disorders. However, raised alanine and aspartate transaminase (AST) levels have been found in patients with muscle diseases such as Duchenne’s and Becker’s muscular dystrophy, myotonic dystrophy and the inflammatory...
Others
Twenty-four hour, Non-invasive, Neonatal Chromosome Analysis—Application in a Case of Mixed Gonadal Dysgenesis
Chromosome analysis in neonates requires venisection and this is sometimes both difficult and distressing. In addition, results can at best take 3 days but longer if the initial 48-h culturing period proves unsuccessful.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
Minimal Change Nephrotic Syndrome—A Complex Genetic Disorder
Minimal change nephrotic syndrome (MCNS) is the most common cause of childhood nephrotic syndrome. It is characterised by the presence of gross proteinuria, hypoalbuminaemia, oedema and hyperlipidaemia.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Original Article
DNA Testing for Fragile X Syndrome in 255 Males from Special Schools in Singapore
Fragile X syndrome is the most common inherited cause of mental retardation, affecting approximately 1 in 1250 males and 1 in 2500 females. It is associated with a cytogenetically visible fragile site in Xq27.3, termed FRAXA, which results from the unstable expansion of a trinucleotide (CGG)n repeat sequence in...
Original Article
Initial Experience of Radiofrequency Catheter Ablation of Supraventricular Tachycardia in Paediatric Patients
Paroxysmal supraventricular tachycardia (SVT) is well-recognised as one of the commonest rhythm disorders in children. There may be few symptoms, but many experience palpitations, or some other less specific complaints such as nausea, pallor and sweatiness.
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Others
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.
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Others
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.
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Others
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...
Others
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.
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Others
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.
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Others
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...
Others
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.
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Others
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...
Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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...
Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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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.
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Others
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.
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Others
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.
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Original Article
Diagnosing and Prognosticating Acute Meningitis in Young Infants within 24 Hours of Admission
Meningitis is an important cause of fever in young infants (infants 90 days old or younger). Most cases of meningitis are acute meningitis which present with a short history of symptoms and are caused by either bacteria (acute bacterial meningitis, ABM) or viruses (acute aseptic meningitis, AAM).
This article is...
Others
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...
Others
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...
Others
Book Review
The above is a textbook of medicine written by Singapore doctors and published in Singapore. It is difficult not to be over-enthusiastic about it as there are so few books of medicine written and published in Singapore.
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Others
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.
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Others
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.
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Review Article
Enteral Nutrition of the Very Low Birth Weight (VLBW) Infant
Optimal nutrition is critical in the management of the preterm infant. The fetus in utero receives continuous intravenous nutrition that is interrupted when prematurely delivered.
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Original Article
A Case Series of Six Children with Primary Pulmonary Hypertension
Pulmonary arterial hypertension (PAH) is an uncommon but serious and debilitating disorder seen in children and adults. By definition, it is an elevation of the pressure in the pulmonary artery to above a mean of 25 mmHg at rest, or 30 mmHg during exercise.
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Others
2nd Chapter of Paediatricians Lecture: The Future of Paediatrics in Singapore
When I was first invited to give this 2nd Chapter of Paediatricians Lecture by the Chapter, my obvious answer was no. I could think of quite a few other paediatricians more qualified and appropriate as speakers and hoped that my emphatic no would work.
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Others
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...
Others
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...
Others
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.
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Others
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.
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Others
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...
Others
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...
Others
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.
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Others
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.
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Original Article
The Use of Vigabatrin in Infantile Spasms in Asian Children
Infantile spasms are a form of age-dependent myoclonic epilepsy that is difficult to control. Agents such as adrenocorticotrophic hormone (ACTH) and prednisolone have been used as first-line therapy, but are associated with major side effects.
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Others
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...
Others
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.
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Others
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.
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Original Article
High-dose Therapy followed by Autologous Haematopoietic Stem Cell Transplantation in Multiple Myeloma
Multiple myeloma (MM) is a disorder in which malignant plasma cells accumulate in the bone marrow and produce an immunoglobulin, usually monoclonal IgG or IgA. The incidence of MM in Singapore is 1 to 2 per 100,000 per year with a median age of 65 to 70 years at...
Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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...
Others
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.
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Others
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.
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Others
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.
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Original Article
Paediatric Extracranial Germ Cell Tumours: A Retrospective Review
Germ cell tumours (GCTs) in children account for 2% to 3% of childhood malignancies. They arise from primordial germ cells and constitute a heterogeneous group of tumours.
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Original Article
Two-year Outcome of Normal-birth-weight Infants Admitted to a Singapore Neonatal Intensive Care Unit
With the rapid advances in the field of neonatal intensive care, the focus of interest has been on the very-low-birthweight (VLBW) infant in recent years. The outcome of these infants has been extensively studied and widely reported. On the other hand, data on the incidence, risk prediction and outcome...
Others
Bronchopulmonary Dysplasia and Chronic Lung Disease of Infancy: Strategies for Prevention and Management
Bronchopulmonary dysplasia (BPD) and chronic lung disease of infancy (CLD) are two chronic pulmonary conditions which are the result of incomplete resolution or abnormal repair of lung injury in the neonatal period. Although BPD and CLD are closely related, they have differing diagnostic criteria and the spectrum of severity...
Others
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.
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Others
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.
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Others
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.
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Original Article
Intussusception: A Three-Year Review
Intussusception is the most common cause of intestinal obstruction in infants and young children. It occurs when one segment of the intestines telescopes into another.
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Others
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%.
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Others
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.
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Others
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.
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Others
Severe Newborn Encephalopathy Unrelated to Intrapartum Hypoxic Events: 3 Case Reports
Since Little’s article of 1862, it was popularly believed that brain damage in the majority of cases of cerebral palsy occurs during labour and delivery. However, the growing evidence in literature has refuted this belief.
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Others
A Case Series of Pre-Viable Severe Twin-Twin Transfusion Syndrome
Monozygotic twinning has an incidence of approximately 3.5 per 1000 pregnancies. Only 25% of monozygotic twins have a dichorionic placenta.
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Others
Idiopathic Chronic Fetomaternal Haemorrhage Resulting in Hydrops – A Case Report
Small amounts (<0.1 mL) of fetal blood are commonly found in maternal circulation. Massive fetomaternal haemorrhage (FMH) involves fetal blood loss into the maternal circulation of greater than 150 mL or more than half the fetal blood volume.
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Others
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.
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Others
Imaging of Paediatric Mediastinal Masses
A review of mediastinal masses in children, emphasising imaging features, is important for several reasons. Firstly, the mediastinum is the most common location for thoracic masses in children.
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Others
The Relationship Between Scoring Systems and Cytokine Levels in Neonatal Sepsis
In newborn infants, the early diagnosis of sepsis is an important problem because the early signs and symptoms of septicaemia in term or preterm infants are usually nonspecific. Many clinical and haematological scoring systems have been developed in the early diagnosis of neonatal sepsis.
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Others
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.
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Others
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.
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Others
Gyrate Atrophy of the Choroid: Two Cases
Gyrate atrophy of the choroid (GA) is a rare choroidal dystrophy. It is an autosomal recessive disorder that results in progressive deterioration in peripheral and night vision.
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Others
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...
Original Article
Clinical Characteristics of an Outbreak of Hand, Foot and Mouth Disease in Singapore
The enterovirus family causes a wide array of illnesses, some easily recognised clinically and others diagnosed as non-specific viral illnesses. This large family of viruses, composed of more than 70 serotypes, accounts for at least 10 to 15 millions of asymptomatic infection per year in the United States.
This article...
Review Article
Perinatal Care at the Threshold of Viability—From Principles to Practice
One of the major challenges in neonatal-perinatal medicine in the new century is the optimal management of the mother and infant when delivery is imminent or at the threshold of viability. Considerable debate has arisen regarding the appropriate approach and strongly polarised viewpoints are held with and without supporting...
Original Article
Eight-year Outcome of Very-low-birth-weight Infants Born in KK Hospital
The outcome of very-low-birth-weight (VLBW) premature babies with birth weights of <1500 g has remained an area of great concern for both parents and medical personnel.
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Review Article
Long-term Follow-up and Outcome of Extremely-low-birth-weight (ELBW) Infants
With the progressive improvement in the survival of premature neonates, including those born at the extreme edge of viability, there has been a great degree of interest focused on the functioning of these high-risk survivors and their outcome into childhood and recently up to adolescence and early adulthood. Prospective...
Review Article
Exogenous Surfactant Therapy in Newborn Infants
Exogenous surfactant therapy is widely used in the management of neonatal respiratory distress syndrome (RDS) and may have a role in the management of other neonatal respiratory disorders as well. Numerous randomised controlled trials have been conducted in neonatology to study different aspects of surfactant therapy.
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Others
The Use and Abuse of Steroids in Perinatal Medicine
Preterm birth, delivery prior to 37 weeks of gestational age, accounts for a major and disproportionate amount of infant and neonatal morbidity and mortality. Despite advances in medical technology, the prevalence of preterm birth in Singapore has increased, secondary to an increase in multiple gestations and obstetric interventions.
This article...
Review Article
Mass Newborn Screening in Singapore—Position and Projections
Mass newborn screening is an essential preventative public health programme which aims to diagnose, in the presymptomatic phase, diseases that have a better outcome with early intervention. The development in 1960 by the late Dr Robert Guthrie of a simple test, the GuthrieTest, that enabled the detection of phenylketonuria...
Others
Neonatology In Singapore: The Way We Were, The Way Forward
Over a span of 35 years of my working life, I have witnessed the growth of, and also grown together with, neonatology in Singapore. As I look at the present-day status of neonatology, it gives me a sense of achievement and accomplishment.
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Original Article
Chorioamnionitis and Outcome in Extremely Preterm Infants
Preterm delivery is associated with considerable morbidity and mortality, especially among the 1% to 2% infants delivered at less than 32 weeks. Chorioamnionitis is a major predisposing factor for preterm delivery.
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Editorial
Challenges in Perinatal Medicine
One of the significant milestones in the perinatal care in Singapore is the birth of the Perinatal Society of Singapore in March 1989. This signaled the beginning of increased collaboration between the obstetricians and neonatologists in the management of high-risk pregnancies through multidisciplinary birth defect clinics and high-risk perinatal...
Others
Predicting Significant Hyperbilirubinaemia and Early Discharge for Glucose-6-Phosphate Dehydrogenase Deficient Newborns
Glucose-6-phosphate dehydrogenase (G6PD) deficiency occurs in 2.5% of Singapore’s population, and affected newborns are at risk for severe neonatal hyperbilirubinaemia and kernicterus. In the past four decades, neonatology units in local restructured hospitals have hospitalised all affected newborns for at least 14 days after birth because of this risk.
This...
Others
Autoimmune Liver Disease in Children
Autoimmune liver disorders are inflammatory liver diseases characterised histologically by a dense mononuclear cell infiltrate, including plasma cells, in the portal tract (Fig. 1) and serologically by the presence of non-organ and liver-specific autoantibodies and increased levels of immunoglobulin G (IgG), in the absence of a known aetiology. They...
Others
HIV/AIDS in Children
The human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS) epidemic in Asia has grown from a handful of cases to a major public health threat with wide-ranging medical, social and economic consequences. First gaining foothold among intravenous drug users and commercial sex workers, HIV quickly spreads to...
Others
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.
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Others
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.
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Review Article
Adolescent Health Education Programmes: Theoretical Principles in Design and Delivery
Over the past three decades, the patterns of health need in youth have changed. Psychosocial problems such as depression, substance abuse, eating disorders, sexually transmitted infections and unplanned pregnancy, accidental and intentional injury, including suicide, affect youth disproportionately and appear to be increasing.
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Review Article
Art and “the Language of Well-Being” in Adolescent Health Care
Creative processes involve imagining, making unexpected connections, maintaining discipline while letting go of controlling the outcome, opening oneself to pleasure, and moving beyond frustration. Creative activity parallels important strategies for mental and spiritual health—people who participate in well-designed creative processes report that it is powerfully restorative.
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Review Article
From Recreation to Creative Expression: The Essential Features of an Adolescent Inpatient Psychosocial Support Programme
In 1984, the Royal Children’s Hospital (RCH) in Melbourne, Australia opened a new ward specifically for adolescent inpatients. This initiative was the result of many years of observation, patient survey, discussion and debate about the possibility of allowing teenagers to stay in a children’s hospital.
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Original Article
Adolescent Admissions to a Tertiary Paediatric Hospital: A Dynamic Pattern
The nature of paediatric practice is changing worldwide. In developing countries, infant mortality from infectious diseases continues to fall with improved immunisation, medical care and pharmaceutical advances. This has resulted in a corresponding rise in the number of adolescents, who now constitute 30% of the world’s population.
This article is...
Review Article
Clinical Assessment, Management and Outcomes of a Group of Adolescents Presenting with Complex Medico-psychosocial Conditions
Increased sensitivity to biological change can make adolescents particularly vulnerable to non-organic symptomatic disorders. A variety of pains, headaches, dizziness and fatigue may remain unexplained after medical assessment.
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Original Article
Adolescent Chronic Illness: A Qualitative Study of Psychosocial Adjustment
Chronic illness during adolescence can have significant psychological and social consequences within many life domains. Growing up with a chronic medical condition presents many challenges including dealing with the symptoms of illness, side effects of medications, altered body image, unpredictable disease progression, depression and anxiety.
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Review Article
Strategies to Promote Better Outcomes in Young People with Chronic Illnesses
The epidemiology of child health in the developed world is changing. Mortality from infectious diseases has fallen sharply over the past century due to public health measures, such as sanitation and immunisation, better housing and sweeping improvements in health care.
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Review Article
Adolescent Alcohol and Other Substance Use: Sharing the Australian Experience
The most common causes of morbidity in adolescence often have behavioural or social determinants, and can have enormous social and economic consequences for adolescent and future adult health and well being. Adolescent substance use and abuse is an example of this.
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Review Article
Sexually Transmitted Infections in Singapore Teenagers
Adolescence can be a difficult period for many individuals who have to navigate their way through complicated emotional, psychological, physical and social demands and changes. The transition from childhood to adulthood includes the formation of successful intimate relationships and avoidance of the pitfalls of sexually transmitted infections (STI), including...
Review Article
Eating Disorders in Singapore: A Review
Anorexia nervosa, bulimia and binge-eating disorder are the three best described ‘eating disorders’. All three are predominantly disorders of women with the core symptoms of shape/weight dissatisfaction and eating abnormalities. Anorexia nervosa is characterised by significant self-induced weight loss secondary to fear of fatness, amenorrhoea (cessation of menstruation for...
Review Article
Youth Suicide and Parasuicide in Singapore
The World Health Organization defines suicide as an act with a fatal outcome that is deliberately initiated and performed by the person himself or herself in the knowledge, or expectation, of its fatal outcome. Parasuicide or attempted suicide is distinguished from suicide by the non-fatal outcome.
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Original Article
Five-Year Review of Adolescent Mental Health Usage in Singapore
The past 20 years have seen much growth in the knowledge of child and adolescent psychiatric practice. Research has provided an improved understanding in almost every area, including epidemiology, classification and treatment.
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Others
The Perils of Puberty
Adolescence is a biopsychosocial maturational process, with the biological changes including completion of linear growth and sexual maturation (puberty), maturation of enzyme systems such as cytochrome P450 systems, accretion of peak bone mass, and the development of sexually dimorphic adult patterns in blood lipids, blood pressure, haemoglobin and red...
Editorial
Adolescent Health—A New Perspective in Singapore
In the past five decades, there have been significant advances in the fields of Paediatrics and Adult Medicine in Singapore. However, the bridging field of Adolescent Health has only recently been recognised to be an important specialty which has not received due emphasis in the medical curriculum for undergraduates,...
Others
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...
Others
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...
Others
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...
Others
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.
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Others
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.
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Others
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.
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Others
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.
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Original Article
Oropharyngeal Carriage and Penicillin Resistance of Neisseria meningitidis in Primary School Children in Manisa, Turkey
Infections by Neisseria meningitidis are significant causes of mortality and morbidity in young children and adolescents. The epidemiology of serious meningococcal disease is an area of considerable interest, and many unanswered questions surround this organism and the types of diseases it causes.
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Others
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.
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Others
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...
Others
A Case of a Diaphragmatic Rupture Complicated With Lacerations of Stomach and Spleen Caused by a Violent Cough Presenting With Mediastinal Shift
Diaphragmatic rupture is a recognised consequence of high-velocity blunt trauma to the abdomen and chest and also has been reported in 0% to 5% of thoracoabdominal trauma patients. The diagnosis is often difficult and delay in diagnosis is implicated in increased morbidity and mortality.
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Others
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...
Others
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.
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Others
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.
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Others
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.
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Others
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”.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
Supernumerary Testicle in a Case of Polyorchidism
The presence of more than 2 testicles is called polyorchidism. It is a rare anomaly.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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.
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Others
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...
Others
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.
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Letter to the Editor
A Fatal Turkish Case of Campomelic Dysplasia
Paediatric Medicine (CD) is a rare form of congenital short-limbed dwarfism, classically characterised by campomelia (bowing of the long bones of the lower extremities) in association with a posterior cleft palate, flattened facies and hypoplastic scapulae. It was first fully and originally described by Spranger et al and Maroteaux...
Others
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.
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Others
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.
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Others
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.
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Others
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...
Others
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.
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Original Article
Familial Risk of Allergic Rhinitis and Atopic Dermatitis among Chinese Families in Singapore
Family history has been shown to be a risk factor for the development of allergic rhinitis (AR) and atopic dermatitis (AD). However, the increase in prevalence has also been attributed to the changes in lifestyle and urbanisation in developed countries.
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Others
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.
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Others
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.
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Others
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.
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Others
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...
Original Article
Gender Disparity in Paediatric Hospital Admissions
Gender difference in the incidence of childhood diseases has long been recognised. but the magnitude of this effect and consistency across many disease categories appears not to attract much attention or research interest. Gissler and colleagues, in a longitudinal follow-up of all children born in Finland in 1987, reported...
Others
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.
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Others
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.
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Others
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.
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Original Article
Study of Inherited Metabolic Disorders in Singapore – 13 Years Experience
Inborn errors of metabolism (IEMs) described in the early 1900s by Garrod were due to a block in a metabolic pathway, arising from an enzyme deficiency which led directly to the disruption of cellular metabolism. However 40 years later, it was discovered that many inherited diseases were not due...
Original Article
Does Visual Turbidity Correlate With Serum Triglyceride Levels in Babies on Total Parenteral Nutrition?
Intravenous lipid infusion is commonly used as part of total parenteral nutrition (TPN) in newborn babies. Upon infusion, it forms an emulsion that resembles endogenously produced chylomicrons.
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Original Article
Corticosteroids are not Present in a Traditional Chinese Medicine Formulation for Atopic Dermatitis in Children
Atopic dermatitis (AD) is a common, chronic inflammatory skin disease. It has been estimated that 15% of schoolchildren aged 13 to 14 years have a history of AD.
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Original Article
Use of Complementary and Alternative Medicine in Paediatric Oncology Patients in Singapore
Complementary and alternative medicine (CAM) has been gaining acceptance throughout the world. The efficacy of CAM is unproven, yet it remains popular with the general public, with many of them utilising it for a whole spectrum of ailments.
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Others
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%...
Others
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.
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Original Article
The Epidemiology of Paediatric Intussusception in Singapore: 1997 to 2004
Intussusception (IS) is the most common cause of intestinal obstruction in infants and young children. The peak age of presentation is 4 to 8 months.
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Others
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.
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Others
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.
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Others
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.
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Others
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...
Others
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.
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Others
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...
Others
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.
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Editorial
Paediatrics to Geriatrics: The Continuum
In many parts of Asia today, paediatricians are still grappling with the childhood problems of infectious diseases, diarrhoeal diseases and malnutrition. In Singapore, it was no different up to the mid 1980s.
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Original Article
Radiographic Features of SARS in Paediatric Patients: A Review of Cases in Singapore
Severe acute respiratory syndrome (SARS) is a newly emerged atypical pneumonia caused by the SARS-associated coronavirus (SARS-CoV). It is easily transmitted via droplet infection from close contact.
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Others
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.
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Others
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...
Others
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.
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Others
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.
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Others
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.
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Others
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...
Others
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.
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Others
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.
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Others
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.
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Others
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%.
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Others
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...
Others
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...
Others
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...
Others
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)...
Others
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...
Others
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.
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Others
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.
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Review Article
A Rotavirus Vaccine for Infants: The Asian Experience
Of all the enteric pathogens that infect young children, rotavirus is recognised as the leading cause of severe gastroenteritis worldwide. Rotavirus accounts for 20% of all diarrhoea-related deaths and global mortality among children less than 5 years of age is estimated at nearly half a million.
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Editorial
Therapeutic Hypothermia for Neonatal Hypoxic-Ischaemic Encephalopathy
Hypoxic-ischaemic encephalopathy (HIE) is an important cause of death and later neurological disability in full-term neonates worldwide. Perinatal asphyxia causes about 19% of the over 5 million neonatal deaths worldwide annually.
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Others
Outcome of Organic Acidurias in China
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Others
Organising Services for IMD in Thailand: Twenty Years Experience
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Others
Newborn Screening in Pakistan – Lessons from a Hospital-based Congenital Hypothyroidism Screening Programme
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Others
Newborn Screening in Bangladesh
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Others
Newborn Screening in China: Phenylketonuria, Congenital Hypothyroidism and Expanded Screening
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Others
Minimising Harm from Newborn Screening Programmes
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Others
Developmental Dysplasia of the Hip: Universal or Selective Ultrasound Screening?
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Others
Financing Newborn Screening Systems: US Experience
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Others
Inborn Errors of Metabolism Presenting as Neonatal Encephalopathy: Practical Tips for Clinicians
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Others
Legal Issues in Neonatal Screening
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Others
Neuroblastoma Screening in Japan: Population-based Cohort Study and Future Aspects of Screening
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Others
External Quality Assurance Programme for Newborn Screening of Glucose-6-Phosphate Dehydrogenase Deficiency
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Others
Glucose-6-Phosphate Dehydrogenase Deficiency: Correlation between the Genotype, Biochemistry and Phenotype
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Others
Disorders of Vitamin B12 Metabolism Presenting Through Newborn Screening
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Others
Diagnosis of Tetrahydrobiopterin (BH4) Responsive Mild Phenylketonuria in Japan over the Past 10 Years
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Others
Fatty Acid Oxidation Defects
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Others
Disorders of the Carnitine Cycle and Detection by Newborn Screening
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Others
Spectrum of Inherited Metabolic Disorders in Malaysia
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Others
Establishing a Universal Newborn Hearing Screening Programme
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Others
Current Understanding of Auditory Neuropathy
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Others
A Multidisciplinary Approach to Paediatric Hearing Loss: Programme at the Centre for Hearing Intervention and Language Development, National University Hospital, Singapore
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Others
Early Intervention For Hearing Impairment: Appropriate, Accessible and Affordable
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Others
Impact of the National Hearing Screening Programme in China
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Others
Outcome of Early Cochlear Implantation
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Others
Eliminating Iodine Deficiency: Obstacles and Their Removal
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Others
Neuro-developmental Deficits in Early-treated Congenital Hypothyroidism
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Others
Issues on Universal Screening for Galactosemia
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Others
Newborn Screening for all Identifiable Disorders with Tandem Mass Spectrometry is Cost Effective: The Negative Case
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Others
Newborn Screening for all Identifiable Disorders with Tandem Mass Spectrometry is Cost Effective: Supporting Arguments
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Others
My Early Experiences in Establishing Neonatal Screening and the Reason for Regional Meetings of the International Society for Neonatal Screening
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Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
Diagnosis and Management Support for an Expanded Newborn Screening Programme
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Others
Considerations in Choosing Screening Conditions: One (US) Approach
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Others
Clinical Applications of Molecular Genetics: The Model of Congenital Adrenal Hyperplasia
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Others
Newborn Screening in Japan: Restructuring for the New Era
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Others
Improved Health and Development of Children who are Deaf and Hard of Hearing Following Early Intervention
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Others
Towards Universal Newborn Screening in Developing Countries: Obstacles and the Way Forward
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Others
Improving Child Health – Newborn Screening for All?
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Editorial
Neonatal Screening – A Global Perspective
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Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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.
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Original Article
Prevalence of Refractive Error in Malay Primary School Children in Suburban Area of Kota Bharu, Kelantan, Malaysia
Refractive error remains one of the primary causes of visual impairment in children worldwide. Prevalence of visual impairment in children, is defined as uncorrected vision equal to or worse than 20/40, and it varies from as low as 2.72% in South Africa to as high as 15.8% in Chile.
This...
Letter to the Editor
Assessment of Medical Graduates Competencies
Medical professional proficiency comprises a set of skills, knowledge, and attitudes necessary to efficiently accomplish the practice of medicine. The major aim of undergraduate medical education in the region is to produce doctors who are competent and able to meet the health needs of the community while also being...
Commentary
When Words Really Matter
I think a lot these days about doctors giving advice. Nobody taught me, back in medical school, how to give advice.
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Others
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.
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Review Article
Behavioural Sleep Disorders in Children and Adolescents
Overall, children spend one-third to one-half of their life sleeping. Although sleep comprises such a significant portion of a child’s day, sleep disturbances are often overlooked by healthcare practitioners.
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Review Article
Cardiovascular Changes in Children with Snoring and Obstructive Sleep Apnoea
Sleep disordered breathing (SDB) is a spectrum of diseases ranging from primary snoring to obstructive sleep apnoea (OSA). A recent review suggested that the prevalence of childhood OSA diagnosed by varying criteria was 1% to 4%.
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Review Article
Obesity and Obstructive Sleep Apnoea Hypopnoea Syndrome in Singapore Children
Obesity is becoming a problem of epidemic proportions and is perhaps, the most pervasive medical problem faced by medical providers today. It is a problem affecting about 10% to 15% of our school-going population in Singapore, affecting disease burden in virtually every medical subspecialty.
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Review Article
Sleep Disorders in Children: The Singapore Perspective
Sleep problems are common in children. For example, snoring occurs in more than 25% of Singapore children1 and obstructive sleep apnoea (OSA) occurs in 1% to 3% of children.
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Review Article
Diagnosis and Evaluation of Obstructive Sleep Apnoea in Children
Children with obstructive sleep apnoea (OSA) may present with nocturnal and/or diurnal symptoms. The history is best obtained from parents, or siblings who share a bedroom, since the child is often unaware of what happens when he or she is asleep.
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Review Article
The Scope of Paediatric Sleep Medicine
Despite apparent similarities to adult sleep medicine, the disorders of paediatric sleep medicine have a distinct epidemiology and pathophysiology. During childhood, the physiology of sleep develops and matures, resulting in changing patterns of normal behaviours and of sleep disorders.
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Original Article
Sleep Disturbances in Singaporean Children with Attention Deficit Hyperactivity Disorder
Attention deficit hyperactivity disorder (ADHD) is a common childhood psychiatric disorder with various studies reporting prevalence rates of between 1.7% and 16%. The most current version of the Diagnostic and Statistical Manual of Diseases (DSM), fourth edition, has 2 lists of behavioural symptoms grouped under “inattentive” and “hyperactive-impulsive” symptoms,...
Original Article
Inflammatory Cytokines and Childhood Obstructive Sleep Apnoea
Obstructive sleep apnoea (OSA) is characterised by repeated episodes of upper airway occlusion during sleep that are associated with daytime behavioural changes and abnormalities in cardiovascular function. In adults, it has been shown that OSA is an independent risk factor for cardiovascular diseases.
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Original Article
Nasal Obstruction in Children with Sleep-disordered Breathing
Nasal breathing is critical in infants and children; for example, neonatal choanal atresia often leads to respiratory distress and may require urgent intervention in the newborn nursery. Later, during development in the first years of life, abnormal nasal breathing has important consequences for facial growth.
This article is available only...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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.
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Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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.
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Others
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.
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Others
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...
Original Article
Immunogenicity, Reactogenicity and Safety of a Diphtheria-Tetanus-Acellular Pertussis-Inactivated Polio and Haemophilus Influenzae Type b Combination Vaccine in a Placebo-controlled Rotavirus Vaccine Study
Singapore’s national immunisation programme for the 6 traditional Expanded Programme on Immunisation (EPI) vaccines (i.e. BCG, diphtheria, tetanus, pertussis, polio and measles) and hepatitis B has been in place for many years and its success has been dramatic. Despite being previously endemic to Singapore in the 1950s, diphtheria has...
Images in Medicine
Transfusion-dependent Microcytic Anaemia in a 10-year-old Girl
A 10-year-girl from Bangladesh presented with a moderately severe anaemia (lowest recorded haemoglobin level of 5.6 g/dL) and a mild jaundice (latest serum bilirubin, 31 μmol/L) 3 years ago (Figs. 1 and 2). Test for haemoglobin electrophoresis on agarose gel did not reveal any abnormal bands.
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Images in Medicine
Caudal Regression Syndrome
A white female with an uncomplicated history of birth delivery and a familial history of diabetes mellitus presented to the orthopaedic clinic at the age of 16 months old with bowel dysfunction, inability to walk, one kidney, and a gibbus noted at T12. A “frog-like” appearance was noted of...
Others
3rd College of Paediatrics and Child Health Lecture – The Past, the Present and the Shape of Things to Come…
In the post-war days of the 1950s, Singapore children were faced with problems of malnutrition and infectious diseases. There was poverty, overcrowded housing and lack of hygiene, and the social conditions were apparently appalling.
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Original Article
Auricular Anthropometry of Newborns at the Singapore General Hospital
Abnormalities of the external ear are described in many syndromes and genetic conditions. Melnick et al reported an incidence of 1 in 90 births for external ear malformations and branchial sinuses and tags, with about 1 in 670 births having malformations of the pinna.
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Others
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...
Others
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...
Original Article
Screening Tools for Bacteraemia in a Selected Population of Febrile Children
Bacteraemia refers to the presence of bacteria in the bloodstream. The presence or absence of toxicity differentiates occult bacteraemia, which is relatively asymptomatic, from bacteraemia and sepsis, which is accompanied by findings of serious systemic illness.
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Original Article
Review of the Management Outcome of Slipped Capital Femoral Epiphysis and the Role of Prophylactic Contra-lateral Pinning Re-examined
Slipped capital femoral epiphysis is the commonest hip problem in the adolescent age group. The goals of treatment are aimed at avoiding the complications of osteonecrosis and chondrolysis, preventing further slips, and promoting physeal closure.
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Others
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.
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Others
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.
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Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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.
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Others
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
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Others
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...
Others
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...
Others
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...
Others
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....
Others
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...
Letter to the Editor
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...
Others
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...
Others
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...
Images in Medicine
Paediatric perineal skin pit: More than skin deep?
A 2.5-year-old boy was referred to our clinic for abnormal genitalia and a febrile urinary tract infection (Escherichia coli >105 colony-forming units/mL). At birth, his parents were informed that he had a “bilobed scrotum and a deep perineal skin pit” that may pose hygiene and cosmetic issues. They had...
Others
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...
Others
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...
Others
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.
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Others
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...
Others
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.
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Letter to the Editor
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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,...
Letter to the Editor
Recurrent Group B Streptococcal Septicemia in a Very Low Birth Weight Infant with Infective Endocarditis and Submandibular Cellulitis
Maternal Group B streptococcal colonisation can lead to neonatal pneumonia, meningitis or sepsis. Neonatal Group B Streptococcal (GBS) sepsis is common, but infective endocarditis is rare.
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Original Article
Morbidity of Parainfluenza 3 Outbreak in Preterm Infants in a Neonatal Unit
Parainfluenza type 3 virus (PIV-3) is an important nosocomial pathogen. It closely mimics respiratory syncytial virus (RSV) in its clinical presentations, and in infants. It is the second commonest cause of pneumonia and bronchiolitis after RSV.
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Others
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...
Letter to the Editor
An Unexpected Outcome following Radial Head Excision for Jeffrey Type II Fracture-Dislocation of the Proximal Radius in a Child
We present a case of a 10-year-old child who sustained a traumatic fracture-dislocation of his proximal radius and subsequently underwent surgical removal of the radial head. At 3 years of follow-up, he had regained full painless flexion and extension with loss of pronosupination.
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Letter to the Editor
Temporary Tattoo Associated Type IV Delayed Hypersensitivity Dermatitis in a Child – A Case Report and Call for Parental Caution in Singapore
A 5-year-old, previously healthy French Caucasian boy was seen at a Paediatric Emergency Department for a skin rash over his left forearm.
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Others
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...
Images in Medicine
A Case of Congenital Haemolytic Anaemia and Thrombocytopenia
A 20-month-old boy came from Bangladesh to Singapore for medical consultation. He presented with progressive pallor, easy bruising, intermittent dark-coloured urine, and failure to thrive since birth.
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Images in Medicine
An Exanthem with An Annular Pattern in a 2-year-old Girl
A 2-year-old Chinese girl was seen in clinic with an erythematous annular itchy rash which began on the thighs and had spread to the trunk and hands. The parent’s concern was the rash’s duration and association with 2 episodes of fever.
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Original Article
Clinical Features Differentiating Biliary Atresia from Other Causes of Neonatal Cholestasis
Causes of neonatal cholestasis (NC) are long and diverse but the responses of newborn liver, either physiological or anatomical, are limited. This is because the ability of a developing liver of responding in the face of a variety of insults are limited.
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Original Article
Comparison of Clinical Outcomes and Cost Between Surgical and Transcatheter Device Closure of Atrial Septal Defects in Singapore Children
Congenital heart defects (CHD), with an incidence of approximately 1 in 100 live births, are the most important and frequent congenital malformations. It can cause significant morbidity and mortality in children as well as adults.
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Others
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.
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Letter to the Editor
Bannayan Riley Ruvalcaba Syndrome
Bannayan-Riley-Ruvalcaba syndrome (BRRS) classically presents with macrocephaly, subcutaneous and visceral lipomata, haemangiomata, hamartomatous intestinal polyps and pigmented macules involving the genitalia. This autosomal dominant disorder is linked to germline mutations of the phosphatase and tensine homologue gene (PTEN), a tumour suppressor gene which has a significant role in the...
Images in Medicine
Dyke-Davidoff-Masson Syndrome
An 8-year-old boy presented with uncontrolled seizures. He was born as the second child to non-consanguineous parents. He had significant perinatal asphyxia in the newborn period. He had developmental delay since infancy and was noticed to have right-sided tonic clonic seizures since the age of 3 years, which was...
Others
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.
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Review Article
Childhood Food Allergy: A Singaporean Perspective
Food allergy is defined as reaction to a food which has an immunologic mechanism. If immunoglobulin E (IgE) is involved in the reaction, the term IgE-mediated food allergy is appropriate.
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Original Article
Transcatheter Closure of Atrial Septal Defects – Is Balloon Sizing Still Necessary?
Device closure of atrial septal defects through the transcatheter approach has now been well accepted as an option to surgical treatment. A range of devices has been developed for use over the years, with significant advances achieved in terms of profile and safety.
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Original Article
Survey of Healthcare Workers’ Attitudes, Beliefs and Willingness to Receive the 2009 Pandemic Influenza A (H1N1) Vaccine and the Impact of Educational Campaigns
Since the first positive 2009 pandemic influenza A (H1N1) case was reported in Singapore on 26 May 2009, the country saw an exponential rise in numbers of infected cases despite initial containment followed by mitigation efforts. Local incidence for acute upper respiratory infections (which was a reasonable surrogate for...
Others
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.
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Others
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...
Letter to the Editor
Reply from Author: Is It Time to Revise the Definition of Attention Deficit Hyperactivity Disorder?
We would like to thank the author for suggesting that the definition of ADHD should be revised. This is an important consideration in the light of some of the points raised such as frequent comorbidities that occur with ADHD as is the case of Autistic disorder and other conditions...
Letter to the Editor
Is It Time to Revise the Definition of Attention Deficit Hyperactivity Disorder?
I read with interest the article published in the Annals entitled “Attention Deficit Hyperactivity Disorder: Coping or Curing?”, which concluded that coping rather than curing for attention deficit hyperactivity disorder (ADHD) is taking place. There are some evidence-based points that should be noted.
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Others
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...
Original Article
Dedicated Cytogenetics Factor is Critical for Improving Karyotyping Results for Childhood Leukaemias – Experience in the National University Hospital, Singapore 1989-2006
Acute lymphoblastic leukaemia (ALL) and acute myeloid leukaemia (AML) make up the bulk of childhood leukaemia cases. With risk stratified therapy being one of the cornerstones of the treatment of childhood leukaemia, it is important to determine the prognostic factors on which risk stratified therapy depends.
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Original Article
Epidemiological Surveillance and Control of Rubella in Singapore, 1991-2007
Rubella is a mild febrile viral exanthematous disease transmitted through droplets or direct contact with the nasopharyngeal secretion of an infected person. It is of public health importance because of the teratogenic effects of the virus on the developing fetus.
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Original Article
Emerging Trends in Breastfeeding Practices in Singaporean Chinese Women: Findings from a Population-based Study
The health benefits of breast milk have been well documented, with positive implications for infants’ metabolic, immunologic, respiratory and digestive health. The World Health Organization (WHO) and the American Academy of Pediatrics recommend exclusive breastfeeding for 6 months and partial breastfeeding thereafter for at least 12 or 24 months....
Images in Medicine
A Missed Bilateral Choanal Atresia
What do you see in the image?
a) Deviated posterior nasal septum
b) Nasopharyngeal tumour
c) Rhinolith with mucous plug
d) Bilateral choanal atresia
e) Nasal pyriform aperture stenosis
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Others
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...
Original Article
Health-related Quality of Life in Children with Cancer Undergoing Treatment: A First Look at the Singapore Experience
Health-related quality of life (HRQOL) has been progressively acknowledged as an essential health outcome measure in clinical trials and health services research and evaluation. HRQOL, compared to QOL, is a more defined conceptual term which encompasses only health-related aspects of life directly amenable to healthcare services and medical products.
This...
Others
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...
Others
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...
Review Article
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...
Original Article
Prevalence of Overweight and Obesity in Chinese Preschoolers in Singapore
The increasing prevalence of childhood overweight and obesity and its associated adverse health outcomes have become an important health issue. Childhood obesity can persist into adulthood and increases the risk of cardiovascular metabolic diseases, giving rise to an increased healthcare burden. In Singapore, the prevalence of obesity for adults...
Original Article
Short- and Long-Term Outcomes at 2, 5 and 8 Years Old for Neonates at Borderline Viability—An 11-Year Experience
Singapore was listed consistently among the top 3 countries in the world with the lowest infant mortality rate. In particular, Asia had seen its infant mortality rate improve dramatically with time. Advances in perinatal care had however, failed to improve the survival of extremely low birth weight infants of...
Letter to the Editor
Prevalence of vitamin D deficiency and insufficiency in Malaysian infants
Vitamin D deficiency, a worldwide health problem, is also prevalent in tropical countries. It is estimated that 15% of the world’s population are either vitamin D deficient or insufficient. In a study on the state of Kelantan in Malaysia (2010–2012), 60% of pregnant women were vitamin D deficient. Maternal...
Letter to the Editor
Impact of true fetal mosaicism on prenatal screening and diagnosis
Over the past decade, the non-invasive prenatal test (NIPT) has increasingly been used as a method for prenatal screening for trisomy 21 (T21) and other aneuploidies, complementing the traditional approach of first trimester screening (FTS). FTS comprises ultrasound of the nuchal thickness and blood test to measure the levels...
Original Article
Paediatric emergency department attendances during COVID-19 and SARS in Singapore
Coronavirus disease 2019 (COVID-19) was declared a pandemic by the World Health Organization (WHO) on 11 March 2020, with over 110 million cumulative cases worldwide to date and a case fatality rate of approximately 1%. In comparison, the 2003 outbreak of severe acute respiratory syndrome (SARS) had 8,422 cumulative...
Original Article
Epidemiology and risk stratification of minor head injuries in school-going children
Head injuries are common childhood injuries that present to paediatric emergency departments. Falls are the most common cause in young children, while contact sports and road traffic injuries are common causes in school-going children. Majority of paediatric head injury cases are mild traumatic brain injuries, defined as a Glasgow...
Original Article
Perinatal Drug Abuse in KK Women’s and Children’s Hospital
In recent years, perinatal drug abuse has been emerging as an area of major concern for the perinatologists. Chasnoff found the prevalence of substance abuse in a pregnant population to be approximately 11% (range 0.4% to 27%) in a survey of 35 perinatal centres in the United States.
This article...