Dermatopathology

Photo Challenge

Firm Gray Nodule on the Scalp

Author:

Patrick M. Benson, MD

Gretchen W. Frieling, MD

Joseph C. Pierson, MD

Christine H. Weinberger, MD

A 78-year-old woman presented with a firm lump on the posterior vertex of the scalp of more than 1 year’s duration. She denied pain, bleeding,...

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Photo Challenge

Growing Subcutaneous Mass on the Thigh

Author:

Catherine S. Yang, MD

Leslie Robinson-Bostom, MD

Helena O. Taylor, MD, PhD

Lionel Bercovitch, MD

Shoshana Landow, MD

A 55-year-old woman with a history of basal cell carcinoma and hypothyroidism presented with a changing red patch on the right upper thigh.

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Dermpath Diagnosis

Benign Lesion on the Posterior Aspect of the Neck

Author:

Nikoleta Brankov, BS

Brian Moore, MD

Kate Messana, DO

Melissa Piliang, MD

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Photo Challenge

Irregular, Smooth, Pink Plaque on the Back

Author:

Ryan Andrulonis, MD

Genevieve L. Egnatios, MD

Howard Pride, MD

A 94-year-old woman presented with a lesion on her back. The exact duration of the lesion was unknown, but it had been noticed by a caretaker...

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Case Reports

Regional Lymphomatoid Papulosis of the Breast Restricted to an Area of Prior Radiotherapy

Author:

Rosario Haro, MD

Africa Juarez, MD

José Luis Díaz, MD

Carlos Santonja, MD

Félix Manzarbeitia, MD

Luis Requena, MD

We report the case of a 59-year-old woman with type A regional lymphomatoid papulosis (LyP) that was localized to the left breast, a cutaneous...

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Case Letter

The Elongated Dermatofibroma: A New Dermoscopic Variant?

Author:

Grazyna Kaminska-Winciorek, MD, PhD

Zbigniew Antosz, MD

Radoslaw Spiewak, MD, PhD

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Case Letter

Palmoplantar Pustular Eruption Due to Dabigatran

Author:

Rachel Schleichert, MD

Ronald Goldner, MD

Timm Dickfeld, MD, PhD

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Photo Challenge

Exophytic Scalp Tumor

Author:

Gabrielle Cervoni, MD

William E. Steffes, MD

Katherina B. Kobraei, MD

An 81-year-old man presented with a 3.5×3.0-cm pink exophytic tumor with an eroded surface and prominent vascularity on the left side of the...

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Residents’ Corner

Boards Review Resources

Author:

Megan Brown, MD

This column highlights a few of the most popular board review resources available for dermatology residents. These sources are compiled from...

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