Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP

Photo Essay
The most common sites of ganglion cysts include the dorsum of the wrist
Photo Essay
An Atlas of Lumps and Bumps, Part 46: Ganglion Cysts
01/06/2025
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Alex H.C. Wong, MD; Kin Fon Leong, MD
A ganglion cyst is a benign cystic swelling that typically arises from the synovium of either a tendon sheath or a joint capsule.
01/06/2025
Photo Essay
Woman with DPN
Photo Essay
An Atlas of Lumps and Bumps, Part 44: Dermatosis Papulosa Nigra
12/23/2024
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
Dermatosis papulosa nigra is a common, benign epidermal growth characterized by the presence of multiple, asymptomatic, hyperpigmented, round, dome-shaped or flat, papules or macules localized predominately...
12/23/2024
Photo Essay
steatocystoma multiplex located in the presternal area
Photo Essay
An Atlas of Lumps and Bumps, Part 45: Steatocystoma Multiplex
12/06/2024
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
Steatocystoma multiplex is a rare skin condition clinically characterized by multiple, asymptomatic, smooth, round, soft to firm, often freely movable, yellow or skin-colored papules and nodules.
12/06/2024
An Asymptomatic Dermal Lesion With a Perivascular Lymphocytic Infiltrate
05/10/2016
Benjamin Barankin, MD, FRCPC; Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP
A 44-year-old man presented with an asymptomatic, erythematous lesion on his left flank.
05/10/2016
impetigo
impetigo
Tender Honey-Colored Lesion With “Stuck-on” Crust
02/19/2013
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC
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02/19/2013
dermatophyte infections
dermatophyte infections
What’sYour Diagnosis?
05/04/2011
David C. Mason, DO; Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Joshua S. Coren, DO, MBA; Carman A. Ciervo, DO
Ten-month-old girl with swelling of the left knee of 7 weeks’ duration.
05/04/2011
Congenital injury
Congenital injury
Pediatric Urology Clinics: Reddish Urine in a 12-Year-Old Boy
04/29/2011
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; William Lane M. Robson, MD, FRCPC, FRCP
A 12-year-old boy is assessed on the same day that he passed red-colored urine.
04/29/2011
Dermoid Cyst
Dermoid Cyst
Type 1 Diabetes Mellitus in Children and Adolescents: Part 1, Overview and Diagnosis
04/28/2011
Josephine Ho, MD; Christopher Ting Foong Loh; Danile Pacaud, MD; Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP
Case: A 15-month-old boy is brought to his family practitioner’s office for evaluation of severe candidiasis in his diaper region t
04/28/2011
What's Your Diagnosis?
What's Your Diagnosis?
Hyperpigmented Patches on a Woman’s Sun-Exposed Face: What’s the Cause?
08/16/2017
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC
A 45-year-old woman presented with brownish macules and patches on her face. The pigmentation had developed approximately 10 years ago with the birth of her third child.
08/16/2017
DermClinic
keloids
DermClinic
An Adolescent’s Acne-Related Lesions: Hypertrophic Scars or Keloids?
03/26/2015
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC
A 17-year-old Asian adolescent girl presented with disfiguring lesions on her shoulders and upper back.
03/26/2015