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....
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...
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
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
The Sixth SGH Lecture—Singapore: A New Venice of the 21st Century
Venice is one of the legendary cities of the world. Its beauty and physical setting make Venice unique. For almost 800 years, from 1000...
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...
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
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
Medicine and Surgery—History, Change and Challenge
Mr Koh Yong Guan, guest-of-honour; Dr Tan Ser Kiat, Master, Academy of Medicine; Dr K C Tan, Chairman, Chapter of Surgeons; Dr Robert Jalleh...
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
Current Continuing Medical Education Provision in Singapore
It was in 1994 that as an overseas fellow of the College, I received a letter from Dr Peter Toghill, Director of Continuing Medical...
Others
Early 21st Century Professional Practice: Change and Challenge
Today is a day of rejoicing for all of you, graduates, parents, relatives and loved ones. I can share in your joy and also...
Others
9th Seah Cheng Siang Memorial Lecture: Gastric Cancer—Where are we now?
The last two decades have witnessed dramatic changes in the understanding of gastric cancer: a rapid decline in global incidence, its association with Helicobacter...
Others
New Treatment and Research Strategies for the Improvement of Care of Cleft Lip and Palate Patients in the New Millennium
I have chosen as the title of my keynote address “New Treatment and Research Strategies for the Improvement of the Care of Cleft Lip...
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
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
Young Investigator’s Award: Induction of Apoptosis Following Traumatic Head Injury in Humans
The outlook for sufferers of severe head trauma is extremely poor. Some 20% of patients died before significant treatment can be administered, and nearly...
Others
8th Seah Cheng Siang Memorial Lecture: New Antithrombotic Agents
The tremendous interest in finding new anti-aggregating agents stems from the preeminent role that platelets play, not only in haemostasis and thrombosis, but also...
Others
3rd Yahya Cohen Lecture: The Role of the Myofibroblast-Like Cell in Hepatocellular Carcinoma—Host Defence?
It is indeed a great honour for me to be named the third Yahya Cohen lecturer and I would like to express my deepest...
Others
9th Chapter of Surgeons’ Lecture: The Orthopaedic Surgeon: Historical Perspective, Ethical Considerations and the Future
The legacy of caring and humanitarianism has been the mission of the medical profession since the founding of Singapore by Sir Stamford Raffles in...
Others
1998 Distinguished Academician Lecture: Hepatic Resection— A Western Perspective
Although debridement of portions of liver that prolapsed through war wounds was recorded from distant times, attempts at resection of a solid liver tumour...
Others
1998 Runme Shaw Memorial Lecture: Somatic Evolution of Cancer
The interpretation of cancer as a somatic evolutionary process involving genetic mutation followed by selection, goes back to the early years of this century....
Others
14th Gordon Arthur Ransome Oration: Continuity and Change
Deputy Prime Minister Lee Hsien Loong, Datuk Dr Yeoh Poh Hong, Dr Chee Yam Cheng, distinguished guests, ladies and gentlemen, I am deeply honoured...
Others
The Future of Medicine from the Standpoint of the Practising Paediatrician
From the time of recorded history of medicine, the doctor whether he be the ancient healer or the modern medical practitioner, the doctor had...
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
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
Retroperitoneal Castleman’s Disease in the Perinephric Space—Imaging Appearance: A Case Report and a Review of the Literature
Castleman’s disease (CD) was first proposed by Castleman in 1954. It is usually found in the mediastinum, but other sites have been described.
This article...
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
Address by the Master, Academy of Medicine, Singapore at the 2000 Annual Induction Dinner—Learn the Past, Ensure the Future
I am delighted to share this celebratory occasion with you. It is a time for congratulations all round not only to our new Fellows...
Others
Response by the Representative of Inductees, Academy of Medicine, Singapore at the 2000 Annual Induction Ceremony—A Call to Patient Advocacy
I count myself fortunate to be allowed to join the ranks of the Academy. On behalf of my fellow inductees, may I extend a...
Others
Address by the Master, Academy of Medicine, Singapore at the 2000 Annual Induction Ceremony—The EQ & IQ of Specialist Doctors
First, let me warmly welcome you to this pristine auditorium with its well preserved ceiling architectural details. Probably none of the new Fellows is...
Others
8th SGH Lecture: Genomics, Talent and the Development of the Life Sciences Industry in Singapore
In a few months’ time, one of the most significant advances, possibly the most significant advance ever in the history of biology and medicine,...
Others
3rd Tan Tock Seng Hospital Oration: The Changing Fabric of Medicine—An Ethical and Social Revolution
The legacy of Tan Tock Seng Hospital began with the founding of the Pauper Hospital in Pearl’s Hill in 1844.
This article is available only...
Others
Management of Growth Arrest with Tissue-engineered Cells
Before I go on to the scientific aspects of my talk, I would like to pay tribute to Dr Yahya Cohen. Dr Cohen was...
Others
10th Chapter of Surgeons’ Lecture: The Challenges in Surgery—Past, Present and Future, and in Search of the 4Cs
Firstly may I thank the Academy of Medicine and the Chapter of Surgeons for giving me this great privilege and honour to deliver the...
Others
Opening Address by Dr Chee Yam Cheng, Master, Academy of Medicine, Singapore at the 33rd Annual Combined Surgical Meeting on 4 November 1999 at the COMB Auditorium
It is a pleasure to be present with you all at your 33rd Annual Combined Surgical Meeting for 1999 with less than 60 days...
Others
Funding and Future Diagnosis Related Group Development
Supplement on Casemix Conference Singapore 2001 held on 17-19 August 2001 in Singapore
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Others
Clinical Pathways or Case Management
Supplement on Casemix Conference Singapore 2001 held on 17-19 August 2001 in Singapore
This article is available only as a PDF. Please click on “Download...
Others
Getting Clinicians Involved: The Australian Experience
Supplement on Casemix Conference Singapore 2001 held on 17-19 August 2001 in Singapore
This article is available only as a PDF. Please click on “Download...
Others
The 4th Tan Tock Seng Hospital Oration: Challenge for the Medical Profession in the 21st Century
I am greatly honoured to speak at the 4th TTSH Oration following such distinguished luminaries like Dr Chew Chin Hin, Dr Chen Ai Ju...
Others
Alternate Modes of Financing Health Care Technology
Alternative financing of health care delivery is one of the most vexing problems facing medicine today. Intensive care in many ways is a perfect...
Others
2nd Chapter of Paediatricians Lecture: The Future of Paediatrics in Singapore
When I was first invited to give this 2nd Chapter of Paediatricians Lecture by the Chapter, my obvious answer was no. I could think...
Others
10th Seah Cheng Siang Memorial Lecture: Going Places—A Rheumatological Odyssey
I am greatly honoured to deliver the 10th Seah Cheng Siang memorial lecture. I came into direct contact with Professor Seah in January 1965...
Others
5th Yahya Cohen Lecture: Angiosomes and Extension of Skin Flaps—Anatomic Study and Clinical Implications
I would like to express my gratitude to the Chapter of Surgeons and the Academy of Medicine, Singapore for the honour of presenting this...
Others
11th Chapter of Surgeons Lecture—The Art of Letting Go
These observations were made by a Persian mathematician some 900 years ago. His sentiments are self-evident but no less easy to accept especially for...
Others
15th Gordon Arthur Ransome Oration: A Journey of Care—Mission Impossible?
I am deeply honoured by the invitation to deliver the 15th Sir Gordon Arthur Ransome Oration.
This article is available only as a PDF. Please...
Others
The Runme Shaw Memorial Lecture 2000—Treating VIPs in Washington
My lecture is about people, power, illness, and the patient-physician relationship. It is the personality of the politician or official, the ego elevation conferred...
Others
12th Chapter of Surgeons Lecture: Shifting Paradigms in the Management of Breast Cancer—A Surgical Perspective
The recorded history of breast cancer management spans four millennia. This story about breast cancer management is also one about change, about resistance to...
Others
5th Tan Tock Seng Hospital Oration: Advances for Life
I am honoured and privileged to have been invited to deliver the 5th Tan Tock Seng Hospital (TTSH) Oration at the Opening of your...
Others
6th Yahya Cohen Lecture: Visual Experience During Cataract Surgery
What a patient can see during his or her surgery can be a cause of anxiety for the patient. It may cause additional stress...
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...
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...
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
Is Healthcare Competition Healthy?
There are many problems which all Health Ministers worry about. But we can generally boil them down to one common problem: “money no enough”.
This...
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
Neonatology In Singapore: The Way We Were, The Way Forward
Over a span of 35 years of my working life, I have witnessed the growth of, and also grown together with, neonatology in Singapore....
Others
Significance of the Lateral Epiphysis of the Acetabulum to Hip Joint Stability
Developmental dysplasia of the hip (DDH) remains one of the most difficult disorders to understand and treat in Paediatric Orthopaedics. The aetiology have not...
Others
Craniofacial Anomalies: Clinical and Molecular Perspectives
Cleidocranial dysplasia is an autosomal dominant skeletal disorder characterized by short stature, brachycephaly, delayed closure of the fontanelles and sutures, Wormian bones, midface hypoplasia,...
Others
Autoimmune Liver Disease in Children
Autoimmune liver disorders are inflammatory liver diseases characterised histologically by a dense mononuclear cell infiltrate, including plasma cells, in the portal tract (Fig. 1)...
Others
HIV/AIDS in Children
The human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS) epidemic in Asia has grown from a handful of cases to a major...
Others
Speech By Mr Lim Hng Kiang, Minister For Health and Second Minister for Finance, at the Opening Ceremony of the 36th Singapore-Malaysia Congress of Medicine on Thursday, 1 August 2002 at 1810 Hours at Raffles City Convention Centre
It gives me great pleasure to join you this evening at the 36th Singapore Malaysia Congress of Medicine and the 36th Annual Combined Surgical...
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...
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
Inaugural College of Obstetricians & Gynaecologists Lecture: Recent Developments in Obstetric Care and Maternal Fetal Medicine in Singapore
Has it done any good to pregnancy outcome as promised?
This article is available only as a PDF. Please click on “Download PDF” on top...
Others
Citation on Dr Andrew Chew Guan Kuan for Admission to Honorary Fellowship on 19 August 2004
It is indeed a great pleasure and honour to present to you Dr Andrew Chew Guan Khuan, who is already a Fellow of the...
Others
Citation on Sir Donald Irvine – 17th Gordon Arthur Ransome Orator
It is my pleasure and privilege to introduce Sir Donald Irvine as the 17th Gordon Arthur Ransome Orator.
This article is available only as a...
Others
Address by Master, Academy of Medicine, Singapore at the Opening Ceremony of the 38th Singapore-Malaysia Congress of Medicine and Induction Ceremony
It is my pleasure to welcome you to the Opening Ceremony of the 38th Singapore-Malaysia Congress of Medicine with participation of the Hong Kong...
Others
1st College of Physicians Lecture: The Role of Internal Medicine as a Specialty in the Era of Subspecialisation
It humbles me to accept the invitation to give this lecture, the First College of Physicians Lecture, titled “The Role of Internal Medicine as...
Others
15th Chapter of Surgeons Lecture: Surgeon of the New Millennium – Surgeon, Scientist and Scholar
Next year, we celebrate a hundred years of medical education in Singapore. We have come a long way since 1821 – from a small,...
Others
Standards and Revalidation or Recertification
In my Gordon Arthur Ransome Oration and other papers, I have described the nature and development of patient-centred professionalism, the key features of which...
Others
Continuing Professional Development – a Surrogate for Recertification?
The Hong Kong Academy of Medicine is a statutory body set up in 1993 with the objectives of fostering the development of postgraduate medical...
Others
Teaching and Learning of Professionalism in Medical Schools
There is now worldwide consensus that the elements of medical professionalism need to be enhanced and explicitly taught in medical schools. Medical schools in...
Others
The Challenge of Teaching Professionalism
For the past 25 years, professionalisation, industrialisation, large-scale infusions of technology into the healthcare system and consumerism, to name a few factors, have definitely...
Others
2004 Runme Shaw Memorial Lecture: Professionalism – A Concept in Need of Nurturing
It is a great honour to be invited to deliver the Runme Shaw Memorial Lecture. I am grateful to the Runme Shaw Foundation for...
Others
17th Gordon Arthur Ransome Oration: Patient-centred Professionalism
When sickness strikes we all need doctors. People everywhere know that the quality of medical care can affect the outcome and possible consequences of...
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
The Role of Public Health and Occupational Physicians in the New Millennium
I want to thank the Chapter and organisers for honouring me with this kind invitation to speak to you. This millennium is only 4...
Others
Flap Prefabrication – The Bridge Between Conventional Flaps and Tissue-engineered Flaps
Flap prefabrication is one of the most exciting areas in Plastic Surgery because of its bridging role between conventional reconstructive surgery and tissue engineering....
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...
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
Refining Clinical Practice: Transforming Science Research into the Art of Medicine
I am humbled by the invitation given to me by Changi General Hospital to deliver this lecture at your 5th Annual Scientific Meeting with...
Others
14th Chapter of Surgeons Lecture: Back to Basics
I am happy to be among old friends. As surgeons, we share a kindred spirit. I wish to thank the Academy for the honour...
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
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...
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
3rd College of Physicians’ Lecture – Translational Research: From Bench to Bedside and From Bedside to Bench; Incorporating a Clinical Research Journey in IgA Nephritis (1976 to 2006)
In our quest to pursue knowledge regarding a patient’s illness or seek a cure for the disease, as doctors we have to derive the...
Others
16th Seah Cheng Siang Memorial Lecture – The Changing Face of Cardiology Practice, Training and Research in Singapore
Professor Seah Cheng Siang was one of the most illustrious physicians of his era. During his professional career, he held the following positions: Head,...
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...
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...
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
10th Yahya Cohen Memorial Lecture: Clinical Predictors in Obstructive Sleep Apnoea Patients with Computer-assisted Quantitative Videoendoscopic Upper Airway Analysis
Obstructive sleep apnoea (OSA) is a common disease, which is estimated to affect up to 2% of middle-aged women and 4% of middle-aged men.1...
Others
New Treatments for Atopic Dermatitis – Facts, Comparisons and Uncertainties
Atopic dermatitis is associated with asthma and allergic rhinitis, and presents with a typical morphology and distribution. Eighty-four per cent of cases of atopic...
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
5th College of Physicians Lecture – A Physician’s Odyssey: Recollections and Reflections
Allow me to thank you Mr President and your Council for asking me to deliver the 5th College of Physicians Lecture. Your President has...
Others
Brachytherapy – One Man’s Meat, A Personal Journey in Radiation Oncology
Dr Tan Kim Ping, Chairman for the Dr FY Khoo Memorial Lecture, Ladies and Gentlemen – It is a signal honour for me to...
Others
Retinal and Cardiovascular Diseases: The “Common Soil” Theory
There is increasing evidence that retinal and cardiovascular diseases share a “common soil”. Risk factors for cardiovascular disease, such as hypertension, diabetes, hyperlipidaemia and...
Others
4th FY Khoo Memorial Lecture 2008: Nasopharyngeal Cancer Workgroup – The Past, The Present and The Future
Thank you Madam Chairman. First, I would like to thank the Singapore Radiological Society and the College of Radiologists, Academy of Medicine Singapore for...
Others
3rd College of Paediatrics and Child Health Lecture – The Past, the Present and the Shape of Things to Come…
In the post-war days of the 1950s, Singapore children were faced with problems of malnutrition and infectious diseases. There was poverty, overcrowded housing and...
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...
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
The Role of Electrophysiology in the Diagnosis and Management of Cervical Spondylotic Myelopathy
Cervical spondylosis is an extremely common condition managed by both physicians and surgeons in daily clinical practice. Cervical spondylotic myelopathy (CSM), resulting from longstanding...
Others
Demands and Challenges of Modern Medicine
I am deeply honoured by the invitation to deliver the 16th Tun Dr Ismail Oration and I wish to thank the Master and Council...
Others
Happenings in Histopathology – A Post-World War II Perspective
During the past few decades, there have been many significant developments in the practice of histopathology, the specialty that is also referred to as...
Others
Tumour Interstitial Fluid Pressure May Regulate Angiogenic Factors in Osteosarcoma
Solid tumours have states of raised interstitial fluid pressure (IFP) that cause significant changes to their physiology.1-3 We have previously shown that human osteosarcomas...
Others
Surgical Training – The Challenge of Change
President of the College of Surgeons, distinguished guests, friends, ladies and gentlemen. It is a great honour and a unique privilege for me to...
Others
Preparedness for Terrorism: Managing Nuclear, Biological and Chemical Threats
Preparedness for terrorism in the 21st century includes addressing the management of nuclear, biological and chemical (NBC) terrorism events. Understanding the terrorist threat and...
Others
5th College of Surgeons Lectureship: Surgery beyond Scalpels
The training of surgeons composed of two aspects: (1) Clinical skill and competence; (2) The ‘soft’ skill and ‘art’ of surgery. With the gradual...
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...
Others
The Evolution of Radiology from Paraclinical to Clinical
I would like to thank the Academy of Medicine and the Singapore Radiological Society for giving me the honour of delivering this year’s F...
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...
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...
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...
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,...
Others
3rd College of Surgeons Lecture — Bringing up Surgeons
I am greatly honoured to be given the privilege of delivering the 3rd College of Surgeons Lecture, especially when I have retired from surgery...
Others
12th Yahya Cohen Memorial Lecture – The Cellular and Molecular Basis of Radiation-induced Sensori-neural Hearing Loss
Radiation-induced sensori-neural hearing loss (SNHL) has long been recognised as a complication of radiotherapy (RT) for head and neck tumours, if the auditory pathways...
Others
11th Yahya Cohen Memorial Lecture – An In vivo Comparative Study of the Ability of Derived Mesenchymal Stem Cells in the Treatment of Partial Growth Arrest
It has been my greatest pleasure and honour to accept this, the 11th Yahya Cohen Memorial Lectureship on the anniversary of a half century...
Others
Challenges and Pitfalls in the Introduction of Pharmacogenetics for Cancer
Pharmacogenetics, by definition, refers to the study of genetic differences in metabolic pathways which can affect an individual’s responses to drugs in terms of...
Others
7th College of Physicians Lecture — The Changing Face of Medicine, Medicine – Past, Present and Future
When we think about medicine, just like we do about other things in life in the past and the present, we usually reflect on...
Others
15th Yahya Cohen Memorial Lecture – The Relationship between the Air-bone Gap and the Size of Superior Semicircular Canal Dehiscence
Superior semicircular canal dehiscence (SSCD) can result in a characteristic constellation of vestibular and auditory features, including autophony, oscillopsia, and vertigo, and characteristic eye...
Others
5th Chao Tze Cheng Memorial Lecture—Recent Developments in Informed Consent
The question of informed consent is a concern of recent origin and has engaged the mind of the medical profession here for only some...
Others
7th Tan Tock Seng Oration: Surgical Excellence at TTSH—100 Years on and onward
Mr SR Nathan, our guest of honour, Mr Gan Kim Yong, Minister for Health, Madam Kay Kuok, Chairman of NHG Board, Board members, colleagues,...
Others
8th FY Khoo Memorial Lecture 2012 —Why Radiologists Need Philosophy
Firstly, I wish to thank the Singapore Radiological Society and the College of Radiologists, Singapore for deeply honouring me with the invitation to give...
Others
6th College of Surgeons Lecture The Philosophy of Balance: The Art of Healing
With the rise of high tech medicine, and emphasis on the scientific aspects of medicine, there is danger that we may lose the balanced...
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...
Others
2013 Runme Shaw Memorial Lecture: Clinical Applications of Stem Cells in Modern Medicine—21st Century and Beyond
The rapid advancement of biomedical research in the recent years was propelled by a series of groundbreaking technological inventions and breakthrough discoveries. In this...
Others
22nd Gordon Arthur Ransome Oration: Is Medicine Still an Art?
Distinguished guests and colleagues in medicine, I am deeply honoured to have been invited to deliver this 22nd oration in honour of Sir Gordon...
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...
Others
24th Seah Cheng Siang Lecture: Seeing Better, Doing Better—Evolution and Application of Gastrointestinal (GI) Endoscopy
Man’s innate curiosity to study the internal organs of the human body dates back to the time of Hippocrates where basic speculums were invented...
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...