Dermatologic Disorders

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An Atlas of Lumps and Bumps
Photo Essay

Photo Essay

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
photo essay
Photo Essay
An Atlas of Lumps and Bumps, Part 31: Juvenile Xanthogranuloma
10/19/2024

Alexander K.C. Leung, MD1,2, Benjamin Barankin, MD3, Joseph M. Lam, MD4, Kin Fon Leong, MD5

Alexander K.C. Leung, MD1,2, Benjamin...
This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 31, Leung and colleagues describe juvenile xanthogranuloma. To access previously published articles in...
10/19/2024
Photo Essay
photo essay
Photo Essay
An Atlas of Lumps and Bumps, Part 28: Dermatofibroma
09/19/2024

Alexander K.C. Leung, MD1,2, Benjamin Barankin, MD3, Joseph M. Lam, MD4, Kin Fon Leong, MD5

Alexander K.C. Leung, MD1,2, Benjamin...
This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 28, Leung and colleagues describe dermatofibroma. To access previously published articles in the series,...
09/19/2024
Photo Essay
Photo Essay
Photo Essay
An Atlas of Lumps and Bumps, Part 42: Acquired Melanocytic Nevi
09/04/2024
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 42, Leung and colleagues describe acquired melanocytic nevi. To access previously published articles in...
09/04/2024
Photo Essay
fig. 1
Photo Essay
An Atlas of Lumps and Bumps, Part 32: Linear Epidermal Nevus
08/28/2024
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 32, Leung and colleagues describe linear epidermal nevus. To access previously published articles in the...
08/28/2024
Photo Essay
Fig. 2
Photo Essay
An Atlas of Lumps and Bumps, Part 40: Lichen Nitidus
07/23/2024

Alexander K.C. Leung, MD1,2, Benjamin Barankin, MD3, Joseph M. Lam, MD4, Kin Fon Leong, MD5

Alexander K.C. Leung, MD1,2, Benjamin...
This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 40, Leung and colleagues describe lichen nitidus. To access previously published articles in the series,...
07/23/2024
Photo Essay
photo essay
Photo Essay
An Atlas of Lumps and Bumps, Part 39: Lichen Spinulosus
07/09/2024

Alexander K.C. Leung, MD1,2, Benjamin Barankin, MD3, Joseph M. Lam, MD4, Kin Fon Leong, MD5

Alexander K.C. Leung, MD1,2, Benjamin...
This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 39, Leung and colleagues describe lichen spinulosus. To access previously published articles in the...
07/09/2024
Photo Essay
forearm
Photo Essay
An Atlas of Lumps and Bumps, Part 25: Lipoma
06/13/2024

Alexander K.C. Leung, MD1,2—Series Editor • Benjamin Barankin, MD3 • Joseph M. Lam, MD4 • Kin Fon Leong, MD5

Alexander K.C. Leung, MD1,2—Series Ed...
This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 25, Leung and colleagues describe lipomas.
06/13/2024
photo essay
HAND
photo essay
An Atlas of Lumps and Bumps: Part 26
05/19/2024

Alexander K.C. Leung, MD1,2—Series Editor • Benjamin Barankin, MD3 • Joseph M. Lam, MD4 • Kin Fon Leong, MD5

Alexander K.C. Leung, MD1,2—Series Ed...
This article is part of a series describing and differentiating dermatologic lumps and bumps. To access previously published articles in the series, visit...
05/19/2024
Photo Essay
cord
Photo Essay
An Atlas of Lumps and Bumps: Part 24
04/27/2024

Alexander K.C. Leung, MD1—Series Editor • Benjamin Barankin, MD2 • Joseph M Lam, MD3 • Andrew A. H. Leung, BSc4 • Alex H.C. Wong, MD5

Alexander K.C. Leung, MD1—Series Edit...
This article is part of a series describing and differentiating dermatologic lumps and bumps. To access previously published articles in the series, visit...
04/27/2024