Dermatopathology

Case Letter

Cemiplimab-Associated Eruption of Generalized Eruptive Keratoacanthoma of Grzybowski

Author:

Bianca Y. Kang, MD

Raveena Khanna, MD

Meera H. Patel, MD

David J. Glembocki, MD

Brooke G. Jeffy, MD

Maya K. Thosani, MD

Neel B. Patel, MD

Immunotherapy, including immune checkpoint inhibitors such as programmed cell-death protein 1 (PD-1) inhibitors, is associated with an array of...

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Case Letter

Thalidomide Analogue Drug Eruption Along the Lines of Blaschko

Author:

Alexander J. Jafari, MD, MPH

Garrett L. Vick, MD

Laura C. Williams, MD

Lenalidomide is a thalidomide analogue used to treat various hematologic malignancies, including non-Hodgkin lymphoma, myelodysplastic syndrome,...

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Clinical Review

The Role of Toluidine Blue in Mohs Micrographic Surgery: A Systematic Review

Author:

Tyler Long, DO

Austin Dunn, DO

Dane Hill, MD

Leonard H. Goldberg, MD

Russel Akin, MD

Toluidine blue (TB) is a metachromatic dye used as a stain in frozen sections in Mohs micrographic surgery (MMS).

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Case Letter

Reactive Angioendotheliomatosis Following Ad26.COV2.S Vaccination

Author:

Collin Faulkner, BS

Austin J. Jabbour, MD

Andrew B. Kanik, MD

Henry Schoeneck, MD

Ibrahim A. Tangoren, MD

Reactive angioendotheliomatosis (RAE) is a rare selflimited cutaneous vascular proliferation of endothelial cells within blood vessels that...

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Photo Challenge

Bilateral Burning Palmoplantar Lesions

Author:

Delaney D. Ding, BS

Pooja Gurnani, MD

Marjorie E. Montanez-Wiscovich, MD, PhD

A 59-year-old woman presented with atrophic, hypopigmented, ivory papules and plaques localized to the central palms and soles of 3 years’...

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Photo Challenge

Large Indurated Plaque on the Chest With Ulceration and Necrosis

Author:

Caroline E. Roberts, BM

Camilla A. Cascardo, MD

Georgeanne Cornell, DO

A 47-year-old woman with no notable medical history presented to the emergency department with shortness of breath on simple exertion as well as a...

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Pediatric Dermatology Consult

An 18-month-old male presents with a red mark on the forehead and nose

Author:

Catalina Matiz, MD

Publish date: December 11, 2023

Dysregulated immune responses leading to endothelial injury, subsequent activation of fibroblasts and myofibroblasts, and excessive collagen...

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Dermpath Diagnosis

Painful Growing Nodule on the Right Calf

Author:

Jesse Lee Fitzgerald, DO

Nathaniel E. Smith, MD

Katherine M. Cebe, MD

A 47-year-old woman with a history of combined variable immunodeficiency presented with a 2.6×2.4-cm nodule on the lateral aspect of the right...

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Photo Challenge

Pedunculated Verrucous Tumor on the Buttock

Author:

Brittany L. Berlin

Jason R. Rosen, DO

Robert A. Sarro, MD

A 40-year-old man presented to our dermatology clinic with a growth on the left buttock of more than 22 years’ duration that progressively...

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Photo Challenge

Hyperpigmented Flexural Plaques, Hypohidrosis, and Hypotrichosis

Author:

India A. Loyd, MD, MPH

Amanda S. Weissman, MD

Jarad Levin, MD

A 61-year-old woman with a history of hypohidrosis and deafness presented with a pruritic rash on the neck and antecubital fossae of several years...

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Case Letter

Aberrant Expression of CD56 in Metastatic Malignant Melanoma

Author:

Karah D. White, MD

Amy M. Kerkvliet, MD

Ali D. Jassim, MD, PhD

The diagnosis of melanoma often is challenging as tumors can show notable histologic diversity and have the potential to express aberrant...

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