Dermatopathology

Case Reports

Acquired Perforating Dermatosis in a Skin Graft

Author:

Laurence M. Bradley, MD

Ashley McWilliams, MD

Kunal Angra, MD

Rebat M. Halder, MD

Ife J. Rodney, MD

Acquired perforating dermatosis (APD) is characterized by pruritic craterlike lesions with a predilection for patients affected by chronic kidney...

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Dermpath Diagnosis

Multiple Pink Papules on the Chest and Upper Abdomen

Author:

Robert A. Kowtoniuk, BS

Christine A. Schleich, MD

Tammie C. Ferringer, MD

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Case Reports

Adult-Onset Still Disease: Persistent Pruritic Papular Rash With Unique Histopathologic Findings

Author:

Georgina M. Ferzli, MD, MS

Yu Yan, MD

Amanda A. Cyrulnik, MD

Jake Shackelton, MD

Dirk M. Elston, MD

Adult-onset Still disease (AOSD) is a systemic inflammatory condition that manifests clinically through spiking fevers,...

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Case Reports

Levamisole-Induced Vasculopathy With Gastric Involvement in a Cocaine User

Author:

Alan S. Boyd, MD

Melanie Ortleb, MD

Reports of levamisole-induced vasculopathy (LIV) secondary to use of levamisole-contaminated cocaine largely have been limited to the skin. We...

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Dermpath Diagnosis

Tetrad Bodies in Skin

Author:

Aadil Ahmed, MD

A 72-year-old woman with a medical history notable for multiple sclerosis and intravenous drug abuse presented to the dermatology clinic with a 0....

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For Residents

Bedside Microscopy for the Beginner

Author:

Ashley D. Lundgren, MD

Novice microscopists may struggle with identifying both the appropriate lesion for bedside testing as well as preparation and interpretation of...

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Photo Challenge

Brown Papules on the Penis

Author:

Tuğba Kevser Uzunçakmak, MD

Filiz Cebeci, MD

Deniz Dağdelen, MD

Mehmet Salih Gürel, MD

Tülay Zenginkinet, MD

Necmettin Akdeniz, MD

A 32-year-old man presented to the outpatient clinic with reddish brown lesions on the penis of 5 months' duration. Dermatologic examination...

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Photo Challenge

Agminated Heterogeneous Papules on the Neck

Author:

Kenneth A. Benson, MD, MS

Michael Crandall, MD

Leah K. Spring, DO

A 19-year-old man presented to the dermatology clinic for evaluation of several new dark papules on the neck of 1 year's duration. He denied any...

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Case Reports

Metastatic Vulvovaginal Crohn Disease in the Setting of Well-Controlled Intestinal Disease

Author:

Meghan M. Woody, MD, MPH

Alex C. Holliday, MD

Alde Carlo P. Gavino, MD

Abby McReynolds, PA-C

Anthony C. Soldano, MD

The cutaneous manifestations of Crohn disease (CD) are varied and include pyoderma gangrenosum, erythema nodosum, and metastatic CD (MCD). The...

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Case Letter

Microcystic Adnexal Carcinoma of the External Auditory Canal

Author:

Hsiu-Hui Chiu, MD

Chieh-Shan Wu, MD

Chen-Yu Chien, MD

Kun-Bow Tsai, MD

Leong-Perng Chan, MD

Microcystic adnexal carcinoma (MAC), described by Goldstein et al¹ in 1982, is a relatively uncommon cutaneous neoplasm. This...

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