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Screening of nasopharyngeal cancer in high-risk familial cohort: A practical approach using a screening algorithm

Dear Editor, In Singapore, nasopharyngeal cancer (NPC) is among the top 3 cancers afflicting middle-aged males (30–49 years old).1 Unfortunately, patients with early-stage NPC are...

HLA-B*5801 testing: Is it time to consider mandatory testing prior to prescribing allopurinol in Singapore?

Dear Editor, Stevens-Johnsons Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN) are severe, life- threatening mucocutaneous reactions that most commonly occur as drug-related reactions.1 In recent...

The potential of RNA therapeutics in dermatology

Graphic design by Liu Yujia Ribonucleic acid (RNA) therapeutics involving, among others, microRNAs (miRNAs), small interfering RNAs (siRNAs) and/or antisense oligonucleotides (ASOs) hold great potential...

Outcomes of nurse-led cryotherapy treatment for viral warts

Dear Editor,  Cryotherapy is a cost-effective treatment that can be performed by non-dermatologists for viral warts, which are very common.1,2 The National University Hospital, Singapore...

Clinical efficacy of primary human papillomavirus (HPV) screening with partial genotyping for HPV-16 and HPV-18 subtypes in women from 25 years old

The World Health Organization has launched a campaign to eliminate cervical cancer on the basis of effective vaccines against oncogenic human papillomavirus (HPV) subtypes,...

Rash characteristics of paediatric patients with COVID-19 in Singapore

Dear Editor, Children with COVID-19 infection can present with a variable spectrum of clinical manifestations, and sometimes mucocutaneous manifestations can be the only manifestation of...

Lichen planus pemphigoides after pembrolizumab immunotherapy in an older man

An 84-year-old Chinese man with stage IV non-small cell lung cancer was initiated on pembrolizumab, an anti-programmed cell death (PD)-1 monoclonal antibody, 4 times...

Drug interactions between common dermatological medications and the oral anti-COVID-19 agents nirmatrelvir-ritonavir and molnupiravir

In December 2021, an Emergency Use Authorisation was issued by the U.S. Food and Drug Administration (FDA) for the use of the orally active...

Characteristics of anti-transcriptional intermediary factor 1 gamma autoantibody-positive dermatomyositis patients in Singapore

Idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of acquired, systemic autoimmune conditions characterised by muscular and extramuscular manifestations. As a subset within the...

Pharmacokinetic and pharmacogenomic considerations in managing use of nirmatrelvir-ritonavir and molnupiravir and dermatological treatments

The COVID-19 pandemic has been unprecedented in its impact on global health, economic, financial, psychosocial and political systems. The World Health Organization estimates approximately...

Idiopathic inflammatory myopathies: Not nearly the end of the road

The clinical spectrum of idiopathic inflammatory myopathies (IIM) has broadened over the past half century from a simple disease characterised primarily by muscle and...

Non-alcoholic fatty liver disease screening in type 2 diabetes mellitus: A cost-effectiveness and price threshold analysis

Non-alcoholic fatty liver disease (NAFLD) is a growing epidemic and has become a major cause of liver-related mortality and indication for liver transplantations globally....

A man with bark-like skin

A 65-year-old Chinese man was admitted for evaluation of chronic anaemia. He had a history of hypertension and chronic kidney disease, and his regular...

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...

Barriers to breast cancer screening in Singapore: A literature review

Breast cancer is a major public health concern and a leading cause of cancer death among women worldwide, including Singapore.1 According to the 2018...

Attitude towards screening for congenital cytomegalovirus infection in newborns in Singapore

Dear Editor, Cytomegalovirus (CMV) infection is the most common congenital infection.1 A systematic review that included 77 studies from 36 countries reported that the overall...

Change in hepatitis B virus DNA status in patients receiving chronic immunosuppressive therapy for moderate-to-severe skin disease

Dear Editor, Hepatitis B virus (HBV) infection poses a global health burden. Clinically, patients may present with chronic HBV infection, occult HBV infection, and fulminant...

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...

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...

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...

Glaucoma Pattern Amongst the Elderly Chinese in Singapore

Glaucoma is a major cause of world blindness in developing and developed nations. The WHO Global data on blindness show that over half of...

Adenocarcinoma of the Cervix

It is clear from studies in Canada, Scandinavia, and more recently the United Kingdom, that routine Pap smear screening has not only reduced the...

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...

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...

Population-based Mammographic Screening in Singapore: What are Participants’ Views?

Breast cancer is the most common cancer among women in Singapore and has been increasing in incidence since 1968. This rise is particularly marked...

Osteoporosis—The Need for a Paradigm Shift

Osteoporosis is becoming an increasing public health problem in most countries. Osteoporosis literally means “porous bones” and involves skeletal fragility leading to an increased...

Rheumatoid Arthritis—A Review

Rheumatoid arthritis (RA) is a chronic inflammatory arthritis which is occasionally associated with extraarticular manifestations. Although the first good clinical description was by Landre-Beauvais...

The Appropriate Use of Antineutrophil Cytoplasmic Antibody (ANCA) Testing in Rheumatic Diseases

In 1982, Davies and co-workers in Melbourne described the presence of a serum factor that stained the cytoplasm of neutrophil leukocytes by indirect immunofluorescence...

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...

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...

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...

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...

One-year Review of Pityriasis Rosea at the National Skin Centre, Singapore

Pityriasis rosea is a common, self-limited disorder of unknown but suspected viral aetiology, that develops abruptly with few or no prodromal symptoms. Classically, the...

Repigmentation of Vitiligo with Autologous Blister-induced Epidermal Grafts

Treatment of vitiligo can sometimes be difficult and disappointing. Medical treatment includes topical or systemic steroids and psoralen with ultraviolet A light (PUVA). This article...

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...

Retrospective Study of Behcet’s Disease seen at the National Skin Centre, Singapore

Behcet’s disease, first described by a Turkish dermatologist, Dr Hulusi Behcet, is a multisystem inflammatory disorder of unknown aetiology. The diagnosis of Behcet’s disease...

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....

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...

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...

Diabetic Retinopathy

Diabetes mellitus affects some 9% of Singaporeans. Studies had shown that virtually all insulin dependent diabetes mellitus (Type 1) and 85% of non-insulin dependent...

Granuloma Annulare: A Review of 41 Cases at the National Skin Centre

Granuloma annulare (GA) is a benign, inflammatory disorder of the skin that has no proven aetiology or widely accepted theory of pathogenesis. There are...

A Case Report of Erythema Induratum of Bazin’s Disease

There are many dermatological manifestations of tuberculosis, ranging from distinct entities such as tuberculosis verrucosa cutis, lupus vulgaris, scrofuloderma, to tuberculides. The term tuberculide...

Re: One-year Review of Pityriasis Rosea at the National Skin Centre, Singapore

I refer to a paper published in the Annals Vol. 28 No. 6 November 1999 titled “One-year review of pityriasis rosea at the National...

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...

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

While screening mammography can detect early breast cancers, a significant proportion of asymptomatic women are subject to unnecessary workup and surgery when biopsies for...

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...

Classical and Amyopathic Dermatomyositis seen at the National Skin Centre of Singapore: A 3-year Retrospective Review of their Clinical Characteristics and Association with Malignancy

Polymyositis/dermatomyositis is a connective tissue disorder with inflammatory muscle disease resulting in muscle weakness. When there is only muscle involvement, the term polymyositis is...

A Rational Alternative for the Diagnosis of Diabetes Mellitus in High Risk Individuals

The “gold standard” for the diagnosis of diabetes mellitus has all along been the oral glucose tolerance test (OGTT). As diabetes mellitus defines a...

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...

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,...

Systemic antibiotic prophylaxis for recurrent infective flares in children and adolescents with atopic dermatitis

Dear Editor, Atopic dermatitis (AD) is a chronic inflammatory skin disease, affecting approximately 20% of children in Singapore.1 It is associated with skin barrier defects2...

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...

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...

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...

Comparison of Allergic Contact Dermatitis Cases in the Private and Subsidised Clinics in the National Skin Centre, Singapore

Allergic contact dermatitis is a common clinical problem seen in our dermatology outpatient clinics, comprising 0.5% of patients seen in 1999. In addition to...

Malignant Melanoma Seen in a Tertiary Dermatological Centre, Singapore

Unlike in Caucasians, primary malignant melanoma is an uncommon skin malignancy in Singapore. There have been little published data on cutaneous melanoma in Southeast...

A Retrospective Study of Incontinentia Pigmenti Seen at the National Skin Centre, Singapore Over a 10-year period

Incontinentia pigmenti, called Bloch-Sulzberger syndrome, is a rare X-linked dominant disorder involving ectodermal structures. It is a multisystem disorder with cutaneous, ocular, dental, cerebral...

A Retrospective Study of Melanocytic Naevi at the National Skin Centre

Melanocytic naevi are benign proliferation of melanocytes of congenital and acquired types which usually appear during adolescence or early adult life. Naevi are of...

Antibiotic Sensitivity of Propionibacterium acnes Isolates from Patients with Acne Vulgaris in a Tertiary Dermatological Referral Centre in Singapore

In Southeast Asia, there have been few studies on the emergence of antibiotic-resistant strains of Propionibacterium acnes on the skin of patients with acne...

Clinical Utility of Polymerase Chain Reaction in the Detection of Mycobacterium tuberculosis in Different Types of Cutaneous Tuberculosis and Tuberculids

Laboratory confirmation of cutaneous tuberculosis has remained difficult using conventional techniques which include the demonstration of acid-fast bacilli (AFB) on histopathologic examination and culture....

A Retrospective Study on the Characteristics of Androgenetic Alopecia among Asian Races in the National Skin Centre, a Tertiary Dermatological Referral Centre in Singapore

Androgenetic alopecia is hair thinning or balding due to the influence of androgens in males and females. Androgenetic alopecia is reported to affect 50%...

A Review of Cutaneous Granulomas and Lupus Vulgaris Following BCG Vaccination in a Skin Hospital in Singapore

BCG vaccines are live vaccines derived from a strain of Mycobacterium bovis that was attenuated by Calmette and Guerin at the Pasteur Institute in...

The Epidemiology and Treatment of Anogenital Warts in Singapore: A Retrospective Evaluation

Anogenital warts are caused by specific subtypes of the human papillomavirus (HPV), of which serotypes HPV 6 and 11 are the most common. There...

Sexually Transmitted Diseases in the Older Population in Singapore

Sexually transmitted diseases (STDs) in persons older than 50 years are rarely studied because STDs are more common in young people. There is very...

Current Understanding of Pre-eclampsia

Pre-eclampsia is a major cause of adverse obstetric outcome. It remains one of the leading causes of maternal mortality1 and continues to contribute significantly...

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...

Bullous Pemphigoid Seen at the National Skin Centre: A 2-year Retrospective Review

Bullous pemphigoid (BP) is an autoimmune subepidermal blistering disorder affecting mainly the elderly. It is characterised by autoantibodies to the basement membrane zone (BMZ),...

Clinical Update on Osteoporosis

Fractures, the most serious complication of osteoporosis, are increasing and constitute an evolving public health problem in terms of disability, mortality and cost. A...

Osteoporosis Risk Factor Assessment and Bone Densitometry—Current Status and Future Trends

Osteoporosis affects predominantly elderly women; although younger women and men may also be affected. Demographically, the number and proportion of the elderly (aged 65...

An Asian Perspective to the Problem of Osteoporosis

Osteoporosis is regarded as an important public health problem in many Caucasian populations. Much of the research on epidemiology, diagnosis, treatment, genetic and molecular...

Clinical Profile and Treatment Outcome of Livedoid Vasculitis: A Case Series

Livedoid vasculitis is a clinicopathological entity that has variously been referred to as atrophie blanche, livedoid vasculopathy or segmental hyalinising vasculitis. It presents with...

A Case of Penicillamine-induced Dermopathy

D-penicillamine is a copper chelator used primarily in Wilson’s disease and cystinuria. Other long-term indications include rheumatoid arthritis, scleroderma and primary biliary cirrhosis. This 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...

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...

An intensely pruritic disseminated skin eruption

A 64-year-old man presented to the dermatology outpatient clinic with a 4-month history of pruritic papules. He had a significant medical history of thyrotoxicosis,...

Novel transdermal device for delivery of triamcinolone for nail psoriasis treatment

Psoriasis is a chronic immune mediated inflammatory skin condition that affects about 2–4% of the Western populations, with rising incidence over the years.1,2 The...

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...

Melanocytic Lesions of the Face: Diagnostic Pitfalls

Cutaneous melanocytic lesions are amongst the commonest tumours in all races but are more common in Caucasians with fair skin. Although most are benign...

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...

A Review: The Location, Molecular Characterisation and Multipotency of Hair Follicle Epidermal Stem Cells

There have been significant advances in the understanding of keratinocyte stem cells since the 1970s, when the concept of interfollicular epidermis was initially proposed;...

Serum Interleukin-2, Interleukin-6, Tumour Necrosis Factor-Alpha and Nitric Oxide Levels in Patients With Behçet’s Disease

Behçet’s disease (BD) is characterised by oral aphthous lesions, genital ulcerations and eye inflammation. The disease was first described by Hulusi Behçet in 1937....

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...

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...

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...

Cyclosporin in the Treatment of Severe Atopic Dermatitis: A Retrospective Study

Cyclosporin is a potent immunosuppressant that inhibits cell-mediated immunity, mainly via inhibition of T helper cells. It has been used successfully in the treatment...

Salivary Immunoglobulin A and Lysozyme in Patients with Psoriasis

The pathophysiological mechanisms in psoriasis are still unclear. Many factors, such as infection, trauma and stress, could cause psoriasis. This article is available only as...

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...

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...

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...

Delusional Parasitosis: Case Series of 8 Patients and Review of the Literature

Delusional parasitosis (DP), or delusional infestation, is a condition in which a person has the unshakeable and mistaken belief of being infested with parasites....

Laser Doppler Perfusion Imaging (LDPI) and Transepidermal Water Loss (TEWL) Values in Psoriatic Lesions Treated with Narrow Band UVB Phototherapy. Dermal Vascularity may be useful Indicator of Psoriatic Activity

Non-invasive techniques have become useful procedures in measuring skin physiology and skin response to treatment. This study attempts to objectively measure physiological changes in...

Familial Risk of Allergic Rhinitis and Atopic Dermatitis among Chinese Families in Singapore

Family history has been shown to be a risk factor for the development of allergic rhinitis (AR) and atopic dermatitis (AD). However, the increase...

Comparison of Completely versus Incompletely Excised Cutaneous Squamous Cell Carcinomas

Non-melanoma skin cancer is the most common skin cancer worldwide and its incidence has risen in the last few decades. Approximately 80% of non-melanoma...

Viral Warts in Children Seen at a Tertiary Referral Centre

Viral warts are a common affliction in children. It is caused by the human papilloma virus, of which there are more than 80 serotypes. This...

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....

A Study on the Knowledge, Attitudes and Practices of Southeast Asian Dermatologists in the Management of Atopic Dermatitis

Atopic dermatitis (AD) is a chronic and pruritic inflammatory skin disorder that occurs worldwide. Several guidelines on the management of AD have been published...

Diabetic Retinopathy in Type II Diabetics Detected by Targeted Screening Versus Newly Diagnosed in General Practice

The epidemic of type II diabetes mellitus is now recognised worldwide. In India, it has been estimated that the population with type II diabetes...

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...

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.

Financing Newborn Screening Systems: US Experience

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Legal Issues in Neonatal Screening

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Neuroblastoma Screening in Japan: Population-based Cohort Study and Future Aspects of Screening

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Establishing a Universal Newborn Hearing Screening Programme

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Impact of the National Hearing Screening Programme in China

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Neuro-developmental Deficits in Early-treated Congenital Hypothyroidism

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Considerations in Choosing Screening Conditions: One (US) Approach

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Towards Universal Newborn Screening in Developing Countries: Obstacles and the Way Forward

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Electrocardiographic Changes in Patients with Cutaneous Leishmaniasis Treated with Systemic Glucantime

Antimonial compounds are regarded as the treatment of choice for cutaneous leishmaniasis (CL). The efficacy of sodium stibogluconate (pentostam) and the other compound of...

Diabetic Retinopathy in Diabetics Referred to a Tertiary Centre from a Nationwide Screening Programme

Diabetic retinopathy (DR) is a leading cause of vision loss in Asia. Singapore has one of the highest prevalence rates of diabetes mellitus (DM)...

Obesity and Obstructive Sleep Apnoea Hypopnoea Syndrome in Singapore Children

Obesity is becoming a problem of epidemic proportions and is perhaps, the most pervasive medical problem faced by medical providers today. It is a...

Rapid Identification of Pathogenic Rapidly Growing Mycobacteria by PCR-Restriction Endonuclease Analysis

The pathogenic rapidly growing mycobacteria (RGM) capable of producing disease in humans consist primarily of the Mycobacteriumabscessus (M. abscessus), Mycobacterium chelonae (M. chelonae), Mycobacterium...

Cutaneous Leishmaniasis Mimicking Squamous Cell Carcinoma

Leishmaniasis is a parasitic infection caused by different species of the obligate intracellular protozoa Leishmania. This disease is transmitted through the bite of an...

Screening Tools for Bacteraemia in a Selected Population of Febrile Children

Bacteraemia refers to the presence of bacteria in the bloodstream. The presence or absence of toxicity differentiates occult bacteraemia, which is relatively asymptomatic, from...

A Comparative Study of Polymerase Chain Reaction Detection of Clonal T-cell Receptor Gamma Chain Gene Rearrangements Using Polyacrylamide Gel Electrophoresis versus Fluorescence Capillary Electrophoresis

Cutaneous T-cell lymphomas (CTCL) are a heterogeneous group of malignancies of skin-homing T-cells, of which mycosis fungoides (MF) is the most common form. CTCL...

The Value of Joint Aspirations in the Diagnosis and Management of Arthritis in a Hospital-based Rheumatology Service

Joint aspiration with synovial fluid analysis can provide information which complements that which is available from the history and physical examination of the patient,...

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

Dear Editor, Mohs micrographic surgery (MMS) has become the treatment of choice for high-risk non-melanoma skin cancers (NMSC) worldwide.1 Unlike wide local excision, MMS...

Lamotrigine-induced Stevens-Johnson syndrome and toxic epidermal necrolysis in Singapore: A case series

Dear Editor, With the advancements in pharmacogenetics, potential genetic associations with severe cutaneous adverse drug reactions (SCAR)—which include Stevens- Johnson syndrome (SJS) and toxic...

Prevalence of Adolescent Idiopathic Scoliosis among Female School Children in Singapore

Scoliosis screening in schools is still widely practised worldwide despite some countries abandoning the practise in recent years. Screening usually consists of visual inspection...

Cutaneous Angiosarcoma Associated with the Kasabach–Merritt Syndrome

Angiosarcoma is a rare tumour commonly affecting elderly men, usually occurring on the head and neck region. The tumour usually presents as ecchymosis-like plaques,...

Epidemiology of Skin Diseases in Renal Transplant Recipients in a Tertiary Hospital

Various types of skin lesions are more common in renal transplant recipients compared to the general population, mainly attributable to post-transplant immunosuppression. The well-documented...

Bosentan – A Previously Unrecognised Cause of Facial Telangiectasia

Bosentan is an endothelin-1 (ET-1) receptor antagonist approved for the treatment of pulmonary artery hypertension (PAH). Although flushing is a documented side effect of...

Blistering Eruption Following a Rubefacient Rub for Shoulder Discomfort

A 96-year-old woman was referred as an emergency with a suspected allergic reaction to Deep Heat® rub (Mentholatum Company Ltd, East Kilbride, Scotland). Five...

An 11-year Review of Dermatomyositis in Asian Patients

Dermatomyositis (DM) is an acquired multisystem inflammatory disease with prominent, characteristic cutaneous manifestations and proximal muscle myopathy. A clinically distinct amyopathic variant with typical...

An Exanthem with An Annular Pattern in a 2-year-old Girl

A 2-year-old Chinese girl was seen in clinic with an erythematous annular itchy rash which began on the thighs and had spread to the...

Levofloxacin-induced Toxic Epidermal Necrolysis Treated with Intravenous Immunoglobulin

Toxic Epidermal Necrolysis (TEN) is a rare, fulminating rash with a mortality rate of 35%.1 It is predominantly medication-induced; allopurinol, ampicillins, anticonvulsants and non-steroidal...

Personalised Medicine for Psoriasis: A Real Possibility Ahead

In the last decade, our understanding of psoriasis has increased by leaps and bounds, resulting in many new targeted therapies being introduced for those...

Erythematous Plaques in a Filipino Man

Three years after emigrating from Philippines to Singapore, a 34-year-old, otherwise healthy man presented with a progressive erythematous eruption on his lower limbs. Six...

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...

Subungual Nodule of the Right Fourth Finger

A 14-year-old, otherwise healthy boy presented with a skin nodule for the past 3 years which slowly lifted up the right fourth fingernail. The...

Chronic Truncal Plaques and Palmoplantar Keratotic Lesions in an Elderly Man

A 70-year-old gentleman with a significant past history of using traditional medication presented to our clinic with multiple dysplastic lesions of varying severity on...

Human Immunodeficiency Virus (HIV) in Pregnancy: A Review of the Guidelines for Preventing Mother-to-Child Transmission in Malaysia

Pregnancy, whether actual or anticipated, has been a critical driver for the diagnosis, treatment and care of women with human immunodeficiency virus (HIV). Unlike...

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....

National Health Survey on the Prevalence of Urinary Abnormalities in the Population: then and now (1975 to 2012)

In the planning of a tuberculosis prevalence survey in Singapore in 1975, it was decided to include a urine examination of the respondents using...

Hearing Loss in Newborns with Cleft Lip and/or Palate

Cleft lip and/or palate (CL/P) is one of the commonest congenital malformations. A recent update collating data from international organisations for the years 2002...

Lower limb nodules

A 45-year-old Chinese woman with no medical history or regular medications presented with painful nodules on her left shin that progressed to involve her...

Dermatological Disorders at the Emergency Department of a Tertiary Hospital in Singapore

Skin disorders pose a frequent diagnostic challenge for emergency physicians due to their broad spectrum and varied clinical manifestations. The diagnosis of acute dermatologic...

Pyoderma Gangrenosum Mimicking Early Acute Infection Following Total Knee Arthroplasty

Pyoderma gangrenosum (PG) is an ulcerative neutrophilic dermatosis of uncertain aetiology. Known associations include inflammatory bowel disease, myeloproliferative disease and various arthritides. There have...

Anti-BP180 NC16A IgG Titres as an Indicator of Disease Activity and Outcome in Asian Patients with Bullous Pemphigoid

Bullous pemphigoid (BP) is a subepidermal blistering dermatosis characterised by circulating autoantibodies targeting BP180 and BP230 hemidesmosomal proteins. Anti-BP180 NC16A IgG antibodies have been...

Localised Dermatitic Nodules but No Itch

In 1909, Hyde first described nodular prurigo as pruritic nodules on the extensor surfaces of the lower extremities in middle-aged women. Thus, nodular prurigo...

Acquired hypohidrosis following a drug reaction

A 44-year-old Chinese man presented with a 3-week history of heat intolerance and a reduced ability to sweat even upon strenuous physical exertion. His...

Primary cutaneous umbilical melanoma

A 59-year-old woman with a pre-existing asymptomatic pigmented nevus on the umbilicus for the past 20 years was seen in the outpatient dermatology clinic...

A clinico-pathological approach to management of atopic dermatitis

Recent research in atopic dermatitis (AD) has identified it to be a heterogeneous inflammatory skin disorder of different endotypes (immune polarisation of T-cell subsets...