photo quiz
photo quiz
03/22/2025
Michelle L. Gallagher, DO; Natalia Guerra, BS
An 11-month-old boy was brought into the clinic by his mother for evaluation of multiple widespread tan-brown macules and papules located on the infant’s back and chest.
03/22/2025
Photo Essay
Photo Essay
03/18/2025
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
Mastocytosis is a rare heterogenous group of disorders characterized by a clonal proliferation and accumulation of mast cells in one or more organs, mostly skin and bone marrow and, less frequently,...
03/18/2025
Case In Point
Case In Point
03/16/2025

Alice Lin, BS, BA1 • Juan Qiu, MD, PhD2

Alice Lin, BS, BA1 • Juan Qiu, MD, Ph...
Pruritus is a common patient concern with a broad differential that is frequently encountered by clinicians. Brachioradial pruritus is an uncommon neuropathic pruritus that negatively impacts quality of...
03/16/2025
Photo Quiz
Photo Quiz
03/15/2025
Lourdes M. López, MD; Sarah Woodside, MD; Jared Roberts, MD
A 44-year-old woman with a past medical history of left congenital cataract and migraines presented to a dermatology clinic with an intermittently draining lesion on the left upper chest that had been...
03/15/2025
Photo Essay
Photo Essay
03/06/2025
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
The olecranon bursa is a superficial bursa located immediately posterior to the olecranon process of the ulna bone and triceps tendon and loosely connected to the overlying skin in the elbow area.
03/06/2025
What's the Take Home?
What's the Take Home?
03/04/2025
Ronald N. Rubin, MD
A 60-year-old man presents to his internist requesting a discussion on treatment options for his facial vitiligo.
03/04/2025
WHAT'S YOUR DIAGNOSIS?
WHAT'S YOUR DIAGNOSIS?
02/14/2025
Dana Simon, BS; Michelle L. Gallagher, DO
A 15-month-old girl with a 1-week history of a non-pruritic rash on the left arm and trunk was brought to the dermatologist by her mother.
02/14/2025
Photo Essay
Photo Essay
02/14/2025
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
A popliteal cyst, also known as a Baker cyst or parameniscal cyst, forms when the synovial fluid from the knee joint fills and distends a preexisting gastrocnemius-semimembranosus bursa in the popliteal...
02/14/2025
What’s Your Diagnosis?
What’s Your Diagnosis?
01/10/2025
Reem Yassine, BSc; Michelle L. Gallagher, DO
A 17-month-old male infant with a history of atopic dermatitis presented for a 1-day history of a moderate to severe rash over his arms, legs, and chest. The rash was bleeding, flaking, itchy, and painful....
01/10/2025
Photo Essay
Photo Essay
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