Original Article
Clinical utility of PET/MRI in multiple myeloma
Multiple myeloma (MM) is a haematological malignancy characterised by abnormal accumulation of malignant plasma cells and is associated with anaemia, renal impairment, hypercalcemia and...
Commentary
Transforming radiology to support population health
The recent launch of Healthier SG—a national initiative by Singapore’s Ministry of Health (MOH) focusing on preventive health—will have far-reaching effects on the delivery...
Editorial
Self-esteem and positive body image to overcome female sexual dysfunction
Human sexuality is arguably one of the main pillars of health, like nutrition and sleep. Improvements in diagnostic and therapeutic biotechnologies have enabled focus...
Original Article
Clinical outcomes and management of contrast hypersensitivity in patients requiring repeated computed tomography imaging
Allergic and non-allergic hypersensitivity reactions to iodinated contrast media (ICM) are increasingly recognised, particularly the latter where there is greater clarity on pathomechanisms.1 There...
Editorial
Preventing recurrent hypersensitivity reactions to iodinated contrast media
Iodinated contrast media (ICM) is one of the most commonly used drugs in the practice of modern medicine. ICM, as the name implies, is...
Editorial
Challenges with mainstreaming genetic testing for metastatic prostate cancer treatment in Singapore
Compared with other solid tumours, patients with metastatic prostate cancer typically have better survival in the range of years.1 The long survival translates to...
Letter to the Editor
Erdheim-Chester disease: Imaging spectrum of multisystemic manifestations
Dear Editor,
Erdheim-Chester disease (ECD) is a rare non-Langerhans histiocytosis, usually affecting middle-aged to older adults. It is a multisystemic disease with protean clinical manifestations....
Letter to the Editor
Implementation of an AI model to triage paediatric brain magnetic resonance imaging orders
Dear Editor,
Artificial intelligence (AI) is viewed as the most important recent advancement in radiology with the potential to achieve Singapore’s objective of delivering value-based...
Commentary
Low-dose computerised tomography screening for lung cancer in Singapore: Practical challenges of identifying participants
INTRODUCTION
In March 2022, the European Commission on cancer screening suggested the inclusion of low-dose computerised tomography (LDCT) for lung cancer, targeted at current...
Images in Medicine
TB or not TB? The axillary lump question
An 81-year-old woman of healthy weight presented with a 2-week history of a painless right axillary lump. Physical examination revealed a 2cm firm nodule...
Letter to the Editor
Safe time interval for screening estimated glomerular filtration rate prior to gadolinium-enhanced MRI scan
Dear Editor,
Magnetic resonance imaging (MRI) contrast media are commonly used in medical imaging and are usually gadolinium-based contrast agents (GBCAs). They can be divided...
Commentary
The Lancet Commission on diagnostics: What it means for Singapore
Effective healthcare systems depend on a functioning healthcare value chain—defined as a care cascade comprising screening, diagnosis, treatment and follow-up. The tremendous heterogeneity and...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
A Case Report of Neutrophilic Eccrine Hidradenitis in a Patient Receiving Chemotherapy for Acute Myeloid Leukaemia
Neutrophilic eccrine hidradenitis (NEH) is a neutrophilic dermatosis primarily affecting the eccrine glands and occurs most commonly in patients undergoing chemotherapy for a malignancy.
This...
Others
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...
Others
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...
Others
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...
Original Article
Reduction in Retake Rates and Radiation Dosage Through Computed Radiography
New computed radiography imaging systems are slowly gaining a foothold in radiological departments worldwide. By computed radiography we mean a digital imaging system which...
Original Article
Computed Tomographic and Magnetic Resonance Imaging Findings in Paranasal Sinus Involvement in Nasopharyngeal Carcinoma
Nasopharyngeal carcinoma (NPC) is an aggressive infiltrative neoplasm. Spread into the paranasal sinuses is often seen but the frequency is documented in only a...
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.
This article is...
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.
This article is...
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...
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%.
This article...
Others
A Case Report—Delayed Vesicocutaneous Fistula After Radiation Therapy for Advanced Vulvar Cancer
To our knowledge this is the first reported case of an isolated vesicocutaneous fistula related to previous radiation therapy for recurrent vulvar cancer.
This article...
Original Article
Outcome of Obstructive Uropathy After Pelvic Irradiation in Patients with Carcinoma of the Uterine Cervix
Radiotherapy is the mainstay treatment for locally advanced carcinoma of the cervix. It is also administered as an adjuvant therapy to patients deemed at...
Letter to the Editor
Re: Haematuria in the Diagnosis of Urinary Calculi. SBS Ooi, NW Kour, A Mahadev. Ann Acad Med Singapore 1998; 27:210-4
The above article highlights the insensitivity of urine microscopy compared with the Combur 9 test for detecting haematuria associated with urinary calculi. In the...
Others
Book Review
This book is a collection of 30 case studies, which were published in the Singapore Medical Journal from 1994 to 1997. They include interesting...
Others
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 (%...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
A Case Report of Atasoy Antenna Procedure
The hook nail deformity is a relatively common problem after fingertip amputations. It is usually ignored but can be quite disabling.
This article is available...
Others
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...
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...
Others
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...
Original Article
Bone Mineral Density—Correlation between Quantitative Ultrasound Characteristics and Dual Energy X-ray Absorptiometry
Osteoporosis is well documented to be a significant determinant of the risk of fracture and its assessment in vivo has been based on various...
Original Article
Outpatient Treatment of Middle and Lower Ureteric Stones: Extracorporeal Shock Wave Lithotripsy versus Ureteroscopic Laser Lithotripsy
Significant technological advances have been made in the management of ureteric calculi. The newer semirigid, fibreoptic ureteroscopes can now be passed with minimal trauma...
Others
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...
Others
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...
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...
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...
Others
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....
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...
Others
A Case Report of a Patient with Bronchial Carcinoid Tumour and Late Presentation of Cushing’s Syndrome
Cushing’s syndrome is usually easy to recognise clinically. Determining the cause of non-iatrogenic Cushing’s syndrome is, on the other hand, often a diagnostic enigma.
This...
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...
Others
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...
Others
Trilateral Retinoblastoma—A Case Report
Retinoblastoma is the third most common tumour in childhood. It is inherited genetically.
This article is available only as a PDF. Please click on “Download...
Others
Recurrent Gigantic Pyogenic Granuloma Disturbing Speech and Mastication: A Case Report and Literature Review
Pyogenic granulomas are common benign fibrovascular growths of the oral cavity that are non-neoplastic in nature. They may also present as skin lesions.
This article...
Others
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...
Review Article
A Review of the Role of Magnetic Resonance Imaging in the Evaluation of Shoulder Impingement Syndrome and Rotator Cuff Tendon Tears
In the evaluation of chronic shoulder pain and dysfunction clinically suspected to be due to shoulder impingement syndrome and rotator cuff tendon tears, magnetic...
Original Article
Haematuria in the Diagnosis of Urinary Calculi
Patients with renal or ureteric colic are commonly seen at our Emergency Department. We routinely check their urine for haematuria using the Combur 9...
Original Article
Portable Chest Radiography: Comparison of High-resolution Digital Displays with Laser Printed Digital Film
In most institutions, about 10% to 25% of imaging examinations are recorded digitally (e.g. digital subtraction angiography, computed tomography, magnetic resonance imaging and ultrasound)....
Original Article
Percutaneous Needle Aspiration in the Treatment of Hepatic Abscess: Factors Influencing Patients’ Outcome
Liver abscess traditionally has been treated by open surgical drainage, mortality rates being as high as 80% to 100% if left untreated. However, with...
Original Article
Contrast-Enhanced Magnetic Resonance Imaging of the Internal Auditory Canals and Posterior Fossa
Contrast-enhanced magnetic resonance imaging (MRI) is now the gold-standard examination for the exclusion of acoustic schwannomas or other posterior fossa tumours. We retrospectively reviewed...
Others
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...
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...
Review Article
Imaging of Thoracic Manifestations of Scleroderma
Systemic sclerosis (SScl) is a generalised disease of the connective tissue characterised by fibrosis and vascular changes affecting the skin, lungs, gastrointestinal tract, kidneys,...
Review Article
Overview of Imaging in Rheumatologic Diseases
Since the discovery of X-rays over a century ago, radiology has played a pivotal role in rheumatology and diseases of the joints. The innovations...
Others
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...
Others
Reconstruction of a Supinated Hypoplastic Thumb with Combined Huber Transfer and Derotation Osteotomy: A Case Report
A 6-year-old Chinese girl presented with a deformity of the left thumb since birth. Her father has a similar deformity.
This article is available only...
Others
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...
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.
This article is available...
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...
Others
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...
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...
Others
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...
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...
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...
Original Article
Focused Abdominal Sonography for Trauma (FAST)
The multiply injured patient presents a challenge to even the most experienced surgeon. These patients often present in shock and require a rapid diagnostic...
Original Article
Is Staging of Benign Prostatic Hyperplasia (BPH) Feasible?
Staging of disease is important. It serves as a guide for further management and also for comparing the results of treatment. Traditionally this has...
Others
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...
Others
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...
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
Embolisation of a Leaking Pseudoaneurysm of the Main Artery Supplying a Replanted Arm: A Case Report
Pseudoaneurysms are conventionally treated by surgery. In recent years, non-surgical methods are being considered, including embolisation with wires, coils or gelfoam and anticoagulation.
This article...
Others
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...
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...
Others
Soft Tissue Chondroma in the Finger: A Case Report and Review of the Literature
Chondromas are the most common bony tumours in the hand. However, soft tissue chondromas are relatively uncommon entities.
This article is available only as a...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Others
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...
Original Article
Magnetic Resonance Imaging of Brain Metastases: Magnetisation Transfer or Triple Dose Gadolinium?
Accurate detection of brain metastases is an important part of tumour staging. Magnetic resonance (MR) imaging is well accepted as a sensitive tool in...
Original Article
The Outcome of Trial Off Catheter after Acute Retention of Urine
Acute retention of urine (ARU) is the commonest urological condition requiring emergency admission to hospital and is usually managed by urethral catheterisation. Previously, patients...
Original Article
Renal Cell Carcinoma in Patients with Chronic Renal Failure
Dunnil and associates first described the association of renal cell carcinoma (RCC) with acquired cystic kidney disease (ACKD) and end stage renal disease. The...
Original Article
Inferior Vena Cava Thrombectomy for Renal Cell Carcinoma with Thrombus
A characteristic feature of renal cell carcinoma is the development of tumour thrombus extending into the inferior vena cava (IVC). This takes place in...
Original Article
Radiological Placement of 211 Central Venous Catheters: Outcome and Complications
Long-term central venous access is an important part of modern medical practice, especially in the haematology and oncology units. Central venous (CV) catheters are...
Others
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...
Others
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...
Others
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™)...
Others
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...
Others
Extensor Pollicis Longus Paralysis Following Thoracoscopic Sympathectomy
A 24-year-old man was referred for hyperhidrosis of more than 15 years duration. It affected both hands, feet and axilla.
This article is available only...
Original Article
Current Indications for Open Stone Surgery in Singapore
The treatment of urinary calculi has changed tremendously since the introduction of extra corporeal shockwave lithotripsy (ESWL), percutaneous nephrostolithotomy (PCNL), and ureteroscopy over the...
Original Article
Role of Ultrasonography in Screening for Urological Malignancies in Patients Presenting With Painless Haematuria
Haematuria of any degree should never be ignored and, in adults, it should be regarded as a symptom of urological malignancy until proven otherwise....
Commentary
Tissue Microangiography Using a Simplified Barium Sulphate Cadaver Injection Technique
The understanding of blood supply is the cornerstone of successful tissue transfer in reconstructive surgery. This understanding has been derived largely from cadaveric dissections,...
Original Article
Nitric Oxide Synthase-Its Distribution and Alteration in the Intramural Ganglia of the Urinary Bladder in Normal and Urethra-obstructed Guinea Pigs
Nitric oxide (NO) has been recognised as a nonadrenergic noncholinergic (NANC) inhibitory neurotransmitter at various sites in the nervous system. Its function as a...
Original Article
Radionuclide Studies of Articular Cartilage in the Early Diagnosis of Arthritis in the Rabbit
Osteoarthritis is a common joint disease that involves destruction of articular cartilage. Magnetic resonance imaging (MRI) provides a sensitive imaging modality for the diagnosis...
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...
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...
Others
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,...
Others
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...
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...
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...
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...
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.
This article is available only as a...
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...
Original Article
Transurethral Alprostadil for the Treatment of Erectile Dysfunction: Results of a Multicentre Trial
As the population is growing older and the society getting more affluent, people are aiming for a better quality of life. This has resulted...
Original Article
Evaluation of Technetium-99m Ciprofloxacin (Infecton) in the Imaging of Infection
Over the past 10 years we have used various radiopharmaceuticals (RPCs) for imaging of inflammation and infection. These include gallium-67 citrate and the technetium-99m...
Others
Laparoscopic Telesurgery Between the United States and Singapore
Telemedicine is the use of telecommunication technologies to provide medical information and healthcare services. Early applications include medical use of the telephone and facsimile.
This...
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,...
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...
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...
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...
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...
Others
Sandhoff Disease—A Case Report of 3 Siblings and a Review of Potential Therapies
Sandhoff disease is a rare inborn error of metabolism characterised by the absence of both β-hexosaminidase A and B, resulting in an accumulation of...
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...
Others
The Genetics of Primary Vesico-Ureteric Reflux
Vesico-ureteric reflux (VUR, OMIM #193000), the name given to reflux of urine from the bladder into the ureter and towards the kidney, is believed...
Commentary
Transurethral Surgery and the Adductor Spasm
Bladder tumours frequently arise from the posterolateral wall of the bladder1 over the course of the obturator nerve. It is during transurethral resection of...
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.
This article is available only as...
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,...
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...
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...
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)...
Original Article
Six-Year Follow-Up of Untreated T1 Carcinoma of Prostate
It is well known that T1 carcinoma of the prostate has varying biologic behaviour. Attempts to identify those at higher risk of progression have...
Original Article
Cystoscopic Diagnosis of Bladder Cancer by Intravesical Instillation of 5-Aminolevulinic Acid Induced Porphyrin Fluorescence—The Singapore Experience
Bladder cancer is the sixth most frequent malignant disease in the world. Superficial stages of the tumour are found in 75% to 85% of...
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...
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...
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...
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....
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...
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...
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...
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,...
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...
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,...
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.
This article is available...
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...
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...
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....
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...
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....
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...
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...
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...
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.
This article...
Original Article
Digital Hand-held Sonography Utilised for the Focused Assessment with Sonography for Trauma: A Pilot Study
On a global basis, the use of ultrasonography to assist clinicians in obtaining timely diagnoses in abdominal trauma is not particularly new. The first...
Original Article
Acute Renal Colic: Value of Unenhanced Spiral Computed Tomography Compared with Intravenous Urography
The typical ureteric calculus presents with an acute onset of flank pain which may radiate to the groin. Intravenous urography (IVU) has classically been...
Original Article
Holmium Laser Lithotripsy in the Management of Ureteric Calculi
The introduction of extracorporeal shockwave lithotripsy (ESWL) in the 1980s revolutionised treatment of renal and ureteric calculi. Progress in the field of extracorporeal lithotripsy...
Others
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...
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...
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...
Original Article
The Singapore General Hospital Early Clinical Experience with the 7.5F Flexible Ureterorenoscope
Intravenous regional anaesthesia (IVRA) has a reported success rate of between 94% and 98% for upper limb surgery. Limitations to its use include the...
Original Article
Spectrum of Prostate Cancer in the Singapore General Hospital (1980 to 1985)
Prostate cancer is the most prevalent cancer among men in the United States. In Singapore, it is the sixth most common incidence of cancer...
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...
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...
Others
Clinical Reasoning Learning Sessions
Many medical schools worldwide have made the shift toward problem-based learning (PBL) medical education. Some of them employ these new techniques in only part...
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...
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.
This...
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,...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
Original Article
A Twelve-year Review of Radical Cystectomies in Singapore General Hospital
Bladder carcinoma is the tenth most common cancer affecting men in Singapore. It is more common in men with an age-standardised incidence rate of...
Others
Magnetic Resonance Arthrography of the Labral-Ligamentous Complex of the Shoulder: An Update
Shoulder instability is a frequently encountered clinical problem in young active people following injury, particularly in athletes. The labral-ligamentous complex is increasingly recognised as...
Original Article
Limited Magnetic Resonance Imaging (MRI) and the Occult Hip Fracture
Worldwide, in the past decade, the application of magnetic resonance imaging (MRI) has increased tremendously in the management of musculoskeletal trauma. Not least is...
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...
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...
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...
Original Article
Percutaneous Nephrolithotomy in the Management of Complex Upper Urinary Tract Calculi: The Singapore General Hospital Experience
Open surgical removal had been the standard treatment for urolithiasis till the early 1980s when introduction of percutaneous techniques and extracorporeal shock wave lithotripsy...
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...
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...
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...
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.
This article is...
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...
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...
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.
This article is available only...
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...
Original Article
The Role of BTA stat in Clinical Practice
Cystoscopy, supplemented by urine cytology, remains the gold standard in detecting primary and recurrent bladder cancer. Urine cytology, although highly specific, detects only 29%...
Original Article
Technetium-99m Methoxyisobutylisonitrile Imaging in the Follow-up of Differentiated Thyroid Carcinoma
Differentiated thyroid carcinoma (DTC) is not an uncommon tumour in Thailand.1 A high percentage of 10-year survival results in long-term follow-up. I-131 total-body scan...
Original Article
Penile Colour Duplex Ultrasonography as a Screening Tool for Venogenic Erectile Dysfunction
Penile colour flow Doppler imaging (PCDI) is a non-invasive, accurate and cost-effective technique. It has better patient acceptance as compared to cavernosometry and cavernosography,...
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...
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.
This...
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...
Original Article
Single Centre Review of Radiologically-guided Percutaneous Nephrostomies: A Report of 273 Procedures
Percutaneous nephrostomy (PCN) is a well-established technique in the armamentarium of an interventional radiologist when dealing with urinary obstruction. It provides temporary relief in...
Original Article
To Establish the Normal Bone Mineral Density Reference Database for the Singapore Male
Bone mineral densitometry was developed as a means to quantify the bone mineral content of the skeleton accurately and has been used in the...
Original Article
Percutaneous Vertebroplasty in the Management of Osteoporotic Vertebral Compression Fractures: Initial Experience
With the general increase in life expectancy in the local population, the incidence of osteoporosis is anticipated to rise as well. Even with screening...
Original Article
Differentiation of Malignant Vertebral Collapse from Osteoporotic and Other Benign Causes Using Magnetic Resonance Imaging
An elderly patient presenting with backache and vertebral collapse on plain X-ray is a common clinical scenario and a diagnostic challenge. It is difficult...
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%.
This article is available only as...
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...
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...
Letter to the Editor
Letter to the Editor
We would like to draw the attention of your readers to the comments made in the editorial of the recent Imaging issue of your...
Others
Imaging-guided Bone Biopsy
Biopsy may be performed at surgery (open biopsy) or percutaneously (closed biopsy). Percutaneous bone biopsies are usually performed under imaging guidance using a variety...
Others
Carcinoma of the Cervix: Role of MR Imaging
In females with cancer, cervical carcinoma is second to breast cancer in both incidence and mortality worldwide. About 465,000 new cases are diagnosed each...
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...
Others
Radiographic Features of a Case of Severe Acute Respiratory Syndrome with Fatal Outcome
Severe acute respiratory syndrome (SARS) is an atypical pneumonia that was first reported in early 2003. Reports of outbreaks of cases rapidly appeared in...
Others
Clinical Applications of MR Cholangiopancreatography
Magnetic resonance cholangiopancreatography (MRCP) has attracted a lot of interest from clinicians because it is a non-invasive method of obtaining a cholangiographic image without...
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...
Review Article
Clinical Positron Emission Tomography Imaging—Current Applications
Like other radionuclide techniques, positron emission tomography (PET) is based on the tracer principle – a small amount of labelled ligand is used to...
Review Article
MR Imaging and MR Spectroscopy of Adenocarcinoma of the Prostate
Prostate cancer is usually suspected due to an abnormal digital rectal examination, elevated serum prostate specific antigen (PSA) level or both. The diagnosis of...
Review Article
Imaging of Congenital Middle Ear Deafness
When a child or young adult with morphologically normal external ears and no previous history of ear discharge or trauma presents with conductive hearing...
Review Article
MR Imaging of the Fetal Brain and Spine: A Maturing Technology
The introduction of a new diagnostic test into a clinical arena goes through a number of stages. The first stage is technical development.
This article...
Review Article
Imaging of Acquired Immunodeficiency Syndrome (AIDS)
The pandemic of human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS) is a global healthcare problem and HIV infection is the most common cause of...
Review Article
The Singapore National Breast Screening Programme: Principles and Implementation
In January 2002, the first population-based national mammographic breast screening programme in Asia, the Singapore National Breast Screening Programme (BreastScreen Singapore), was launched. The...
Original Article
Brachiocephalic-Superior Vena Cava Metallic Stenting in Malignant Superior Vena Cava Obstruction
A large majority of superior vena cava (SVC) syndrome is caused by malignancy (74% to 95%). This can either be due to direct SVC...
Original Article
Pilot Study Using Technetium-99m Pertechnetate Sequential Radionuclide-Sialography to Assess Salivary Gland Function in Nasopharyngeal Cancer Patients on Radiation Therapy
Nasopharyngeal carcinoma (NPC) is an epithelial malignancy occurring worldwide with particularly high frequencies in the Far East. The incidence is highest in Hong Kong...
Original Article
Breath-hold Fast Recovery Fast Spin Echo versus Conventional Non-Breath-hold Fast Spin Echo T2-Weighted MR Imaging of Focal Liver Lesions
T2-weighted magnetic resonance (MR) imaging is an important sequence for characterisation of focal liver lesion. Accurate characterisation of benign lesions, such as haemangioma or...
Original Article
Diffusion-weighted MR Imaging in Intracranial Infections
Diffusion-weighted magnetic resonance (MR) imaging (DWMRI) is becoming essential to the assessment of acute cerebral infarction and has also been applied to distinguish cerebral...
Original Article
Preoperative High Resolution CT and MR Imaging in Cochlear Implantation
Candidates for cochlear implantation undergo a thorough audiological and medical assessment. The audiological assessment is done to ensure that these candidates who have bilateral...
Original Article
Non-consensual Double Reading in the Singapore Breast Screening Project: Benefits and Limitations
Double reading of mammogram is not the standard practice in the United Kingdom National Health Service Breast Screening Programme (NHSBSP). Rather, single reading of...
Original Article
Breast Cancer in Women Under 40 Years: Preoperative Detection by Mammography
The incidence of breast cancer peaks between the ages of 45 and 55 years. Approximately 7% of breast cancers occur below 40 years of...
Editorial
The Past Decade of Diagnostic Radiology in Singapore: How Much Progress Have We Really Made?
It has been 10 years since the first ever issue of Annals dedicated to “Radiology” was published in Volume 22 No. 5 September 1993....
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...
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.
This article is available only as a PDF. Please click...
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,...
Review Article
Advances in Imaging in Prenatal Diagnosis and Fetal Therapy
Technology in sonography has advanced tremendously in recent years, contributing to improvements in clinical applications for prenatal diagnosis and fetal therapy. These include transvaginal...
Review Article
Colorectal Hepatic Metastases: Role of Radiofrequency Ablation
Colorectal cancer is the second most common cancer in Singapore, accounting for 15.9% of all cancers registered with the Singapore Cancer Registry in the...
Original Article
Computed Tomographic Appearance of Colorectal Hepatic Metastases
It is important to recognise the computed tomography (CT) appearance of hepatic metastases from colorectal primaries, as resection in a selected group may offer...
Review Article
Current Status in Imaging of Colorectal Liver Metastases
Colorectal cancer is a common primary that metastasizes to the liver. About 20% of patients with colorectal cancer will have detectable metastases at the...
Others
Routine Abdominal and Pelvic Ultrasound Examinations: An Audit Comparing Radiographers and Radiologists
Since its introduction into clinical practice in the early 1970s, ultrasound (US) has become firmly established as an extremely valuable imaging modality and widely...
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...
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...
Original Article
Clinical Utility of Selective Intra-arterial Calcium-stimulated Hepatic Venous Sampling in Regionalisation of Insulinomas—The Singapore Experience
Insulinomas are small tumours with dimensions that seldom exceed 2.0 cm in diameter. Preoperative non-invasive localisation using trans-abdominal ultrasound and conventional computed tomography (CT)...
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...
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...
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...
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...
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...
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...
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...
Others
Characteristics of Six Newborn Infants with Postnatal Findings of Severe Intracranial Haemorrhage
A postnatal finding of intracranial haemorrhage carries potential medico-legal implications for the obstetrician. However, one cannot exclusively attribute this to birth trauma.
This article is...
Original Article
Transurethral Resection of Prostate (TURP) Through The Decades – A Comparison of Results Over the Last Thirty Years in a Single Institution in Asia
Over the last 70 years, transurethral resection of prostate (TURP) has been used in the surgical treatment of benign prostatic hyperplasia (BPH) and is...
Original Article
Morbidity and Significant Bacteriuria after Urodynamic Studies
Urodynamics or pressure flow studies (PFS) are defined as a functional assessment of the lower urinary tract (LUT) to provide a pathophysiological basis for...
Others
Reflections of a Septuagenarian – Radiology: Past, Present and Future
Before I commence, I would like to thank the Singapore Radiological Society and the Chapter of Radiologists of the Academy of Medicine for inviting...
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...
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...
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%...
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...
Others
Imaging Findings in Acute Neck Infection due to Pyriform Sinus Fistula
Pyriform sinus fistula is a developmental abnormality of the 3rd or 4th branchial pouch. It usually presents in childhood as acute inflammatory swelling of...
Original Article
Audit of Diagnostic and Interventional Craniocervical Catheter Angiographic Procedures at the Singapore General Hospital
Catheter angiography has long been considered the diagnostic standard by which the accuracy of other vascular imaging modalities are compared, given its superior contrast...
Original Article
Breast Ultrasound in Women With Familial Risk of Breast Cancer
Mammography is the modality of choice to screen for breast cancer in asymptomatic women. However, it is known that about 10% to 12% of...
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...
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...
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...
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...
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,...
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...
Review Article
Coronary Artery Disease: Comprehensive Evaluation by Cardiovascular Magnetic Resonance Imaging
Coronary artery disease (CAD) is a major health problem worldwide. With advances in CAD intervention and improvements in treatment and management of CAD, there...
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...
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...
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...
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...
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.
This article is available only as a PDF....
Others
Supernumerary Testicle in a Case of Polyorchidism
The presence of more than 2 testicles is called polyorchidism. It is a rare anomaly.
This article is available only as a PDF. Please click...
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...
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.
This article...
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...
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...
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...
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...
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...
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....
Others
Clinical Indications for Positron Emission Tomography (PET) Scanning
The purpose of these guidelines is to provide a broad framework for clinicians considering the use of positron emission tomography (PET) scanning for their...
Original Article
Semi-Quantitative Measurements of Normal Organs With Variable Metabolic Activity on FDG PET Imaging
Positron emission tomography (PET) has a proven clinical role in oncology, cardiology and neurology that primarily uses 2-deoxy-2--fluoro-deoxyglucose (FDG). FDG is an analogue of...
Review Article
Clinical Applications of Positron Emission Tomography in Cardiology: A Review
Ischaemic heart disease associated with depressed left ventricular function is a common clinical management dilemma. There is overwhelming evidence that such patients have a...
Review Article
The Role of FDG-PET in the Management of Non-small Cell Lung Carcinoma
Carcinoma of the lung is the leading cause of cancer death in both men and women and is the second most common malignancy in...
Review Article
Clinical PET Imaging – An Asian Perspective
Positron emission tomography (PET) is distinct from other imaging modalities in its ability to probe the physiology and biochemistry of normal and abnormal tissues....
Review Article
PET Tracers and Radiochemistry
Positron emission tomography (PET) has become a powerful scientific and clinical tool for probing biochemical processes in the human body. This is due, in...
Review Article
Physical Principles and Technology of Clinical PET Imaging
The past few years have seen the transition of positron emission tomography (PET) from the research domain into mainstream clinical applications for oncology. The...
Editorial
Positron Emission Tomography – A Vital Component of Molecular Imaging
Contemporary medical imaging is progressing towards quantification of tissue function in addition to merely providing anatomical information, as illustrated by the rising use of...
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...
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...
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...
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...
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...
Original Article
Extracorporeal Shockwave Lithotripsy and Intracorporeal Lithotripsy for Proximal Ureteric Calculi – A Comparative Assessment of Efficacy and Safety
The introduction of extracorporeal shockwave lithotripsy (ESWL) by Chaussy and his co-workers in 1980 revolutionised the management of urinary calculi. Since then, ESWL has...
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.
This article is available only as...
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...
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...
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...
Original Article
Use of D-dimer and Lower Extremity Doppler Ultrasound Results to Obviate the Need for Computerised Tomographic Pulmonary Angiography
The diagnosis of pulmonary embolism (PE) can be a challenging problem. It depends on clinical suspicion and the interpretation of a combination of clinical...
Original Article
Image-guided Radiofrequency Ablation of Liver Malignancies: Experience at Singapore General Hospital
Radiofrequency (RF) ablation for the treatment of focal liver malignancies is a relatively new image-guided procedure that is gaining increasing acceptance in the radiologic...
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...
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....
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...
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...
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...
Editorial
Building Collaboration in Cardiac Imaging
Publicity about new developments in medical technology is not at all unusual. But the degree with which multi-slice computed tomography (MSCT) for coronary artery...
Others
3rd FY Khoo Memorial Lecture – Education, Professionalism, Outsourcing and the Future of Radiology
Radiology is undergoing unprecedented changes. Not only is the technology evolving rapidly, providing images of breathtaking anatomical clarity, but functional information has also become...
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...
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...
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...
Review Article
Singapore National Medical Image Resource Centre (SN.MIRC): A World Wide Web Resource for Radiology Education
Radiological images are critical for diagnosis, teaching and research. In radiology education, learners must be exposed to large amounts of visual information, and assimilation...
Review Article
Teleradiology in Singapore – Taking Stock and Looking Ahead
Teleradiology is the electronic transmission of radiologic images from one location to another for the purposes of interpretation and/or consultation. The current interest in...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
Others
Developmental Dysplasia of the Hip: Universal or Selective Ultrasound Screening?
This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Others
Magnetic Resonance Imaging of Sports Injuries of the Knee
Sports-related knee injuries are common, with contact sports and sports involving twisting movements being the most frequent causes. Sports injuries may affect any of...
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...
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,...
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...
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...
Original Article
Local Experience of Endorectal Magnetic Resonance Imaging of Prostate with Correlation to Radical Prostatectomy Specimens
Prostate cancer ranks among the top 10 cancers in Singapore. The incidence of prostate cancer has risen by 5% to 118% in most Asian...
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...
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....
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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,...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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,...
Original Article
Upper Limb Ischaemia – A Single Centre Experience
Upper limb ischaemia is an uncommon entity which presents less commonly as compared to lower limb ischaemia, and has a wide range of aetiology...
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...
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...
Images in Medicine
A Tiny Stone Induced Ureteral Rupture
A 60-year-old previously healthy man with unremarkable medical history presented with a complaint of intractable flank pain for one day. The laboratory test results...
Original Article
Evaluation of Data Completeness of the Prostate Cancer Registry after Robotic Radical Prostatectomy
Cancer data can be abstracted manually by cancer registrars or extracted automatically from the electronic medical systems. There may appear to be nothing in...
Letter to the Editor
Medical Misadventure: Barium Extravasation in Colorectal Cancer
Double contrast barium enema (DCBE) is a safe and accurate diagnostic procedure for colorectal cancer. It is often the next diagnostic test after incomplete...
Letter to the Editor
Management of Fournier’s Gangrene with Vacuum Assisted Closure® Dressing
Fournier’s gangrene is a surgical emergency. Treatment consists of fluid resuscitation, intravenous broad spectrum antibiotics and immediate surgical consultation with a view for early...
Original Article
Staging of Benign Prostate Hyperplasia is Helpful in Patients with Lower Urinary Tract Symptoms Suggestive of Benign Prostate Hyperplasia
Benign prostate hyperplasia (BPH), one of the most common diseases of ageing men, affects the quality of life by interfering with normal daily activities...
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...
Letter to the Editor
Durian Seed Masquerading as Gallstone Ileus on Computed Tomography
Bezoars and gallstones are unusual causes of small bowel obstruction, with well-described imaging features on CT. We present a case of intestinal obstruction caused...
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,...
Original Article
Botulinum Toxin A for Idiopathic Detrusor Overactivity
Overactive bladder (OAB) is characterised by feelings of urgency to urinate, with or without incontinence and is usually accompanied by frequency and nocturia. These...
Original Article
A Survey of Local Preclinical and Clinical Medical Students’ Attitudes towards Radiology
Radiology is not a popular specialty for undergraduate student electives or postgraduate training amongst students from a local undergraduate medical school which is based...
Letter to the Editor
Primary Epithelioid Angiosarcoma of the Lung Presenting as Left-sided Shoulder Pain
Primary angiosarcoma of the lung is a rare, often difficult to diagnose disorder with non-specific respiratory manifestations. Angiosarcoma involving the lung is usually a...
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...
Letter to the Editor
Macronodular Tuberculosis: Imaging Resemblance of Cholangiocarcinoma
The ability of multiphasic computed tomography (CT) and magnetic resonance (MR) studies in the diagnosis of liver tumours such as hepatocellular carcinoma and cholangiocarcinoma...
Letter to the Editor
Management of Thrombotic Thrombocytopenic Purpura in Metastatic Prostate Cancer with only Endocrine Therapy
Thrombotic thrombocytopenic purpura (TTP) is a systemic disorder that presents acutely with multiple organ failure. Although defined classically as a syndrome with a pentad...
Original Article
Incidence, Mortality and Five-year Relative Survival Ratio of Prostate Cancer among Chinese Residents in Singapore from 1968 to 2002 by Metastatic Staging
Prostate cancer is now the third most common cancer among Singapore males, with a world age-standardised incidence rate (ASIR) of 23.9 per 100,000 from...
Original Article
Central Clot Score at Computed Tomography as a Predictor of 30-day Mortality after Acute Pulmonary Embolism
Multi-detector Computed Tomography (MDCT) pulmonary angiography is currently the method of choice for the detection of acute pulmonary embolism (PE), because of its convenience,...
Letter to the Editor
Renojejunal Fistula: An Extremely Rare Form of Renoenteric Fistula
Obstructive calculous disease of the kidney often results in infectious complications such as pyelonephritis and perinephric abscesses. Renojejunal fistula formation may occur as the...
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.
This article...
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,...
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...
Letter to the Editor
Sustained Clinical Efficacy after Repeat Intradetrusor Botulinum Toxin Type A in the Treatment of Neurogenic Detrusor Overactivity
Despite the introduction of more potent and uroselective antimuscarinic agents, many patients with neurogenic detrusor overactivity still suffer from refractory incontinence. Intradetrusor botulinum toxin...
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...
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...
Original Article
Cone Beam Computed Tomography for Vascular Interventional Radiology Procedures: Early Experience
Cone beam computed tomography (CBCT) is a relatively new technological innovation which utilises flat-panel detector technology to obtain CT-like axial images. The radiation source...
Others
Neonatal Ovarian Cysts: Role of Sonography in Diagnosing Torsion
Simple cysts are commonly seen in neonatal ovaries. Majority of them are small and resolve spontaneously. Complications such as torsion and haemorrhage rarely occur,...
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...
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...
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...
Original Article
Supplementary Breast Ultrasound Screening in Asian Women with Negative But Dense Mammograms—A Pilot Study
Mammogram has been the gold standard for breast cancer screening and Magnetic Resonance Imaging (MRI) has been advocated for screening of high- risk individuals....
Images in Medicine
Periarticular FDG Uptake on PET/CT in Malignant Melanoma—Metastatic or Misleading?
A 74-year-old male with newly diagnosed melanoma of the right mastoid region, underwent resection of the lesion followed by F-18 fluoro-deoxyglucose (FDG) positron
emission tomography/computed...
Letter to the Editor
Ultrasound-Guided Thyroid Fine Needle Aspiration Biopsy—The Way Forward
I read with great interest the recent article published in the Annals of Academy of Medicine Singapore entitled, ‘Surgeon-Performed Ultrasound-Guided Fine Needle Aspiration Cytology...
Original Article
Relationships between Prostatic Volume and Intravesical Prostatic Protrusion on Transabdominal Ultrasound and Benign Prostatic Obstruction in Patients with Lower Urinary Tract Symptoms
Benign prostatic hyperplasia (BPH) is one of the commonest diseases of ageing men. It can be associated with bothersome lower urinary tract symptoms (LUTS)...
Original Article
Are Pregnant Women Adequately Equipped for Autonomy in Pregnancy Screening?
The concept of first trimester screening (FTS) to evaluate the risk of fetal aneuploidies was first introduced in 1997 by Orlandi et al. The...
Letter to the Editor
A Follow-up Longitudinal Survey on a Cohort of Undergraduate Medical Students’ Attitudes towards Radiology
As a follow-up to an earlier study comparing the attitudes of first year undergraduate medical students following the introduction of a new radiology curriculum...
Commentary
Transthyretin amyloid cardiomyopathy: The emerging role of cardiac amyloid imaging
Transthyretin amyloidosis (or ATTR amyloidosis) is an under-recognised multisystemic disorder, arising from misfolding of transthyretin proteins into insoluble amyloid fibrils. As amyloid fibrils deposit...
Review Article
Managing a Renal Transplant Programme During the COVID-19 Pandemic: Practical Experience from a Singapore Transplant Centre
As infrastructure and policies were being put in place to combat COVID-19, we recognised that specialty-specific policies and protocols had to be drawn up...