Dermatopathology

Case Reports

Subungual Onycholemmal Cyst of the Toenail Mimicking Subungual Melanoma

Author:

Joanna Busquets, MD

Mounica Banala, MD

Carmen Campanelli, MD

Joya Sahu, MD

Jason B. Lee, MD

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Dermpath Diagnosis

Circumscribed Nodule in a Renal Transplant Patient

Author:

Anthony P. Berger, MPH

Anthony J. Little, MD

Karolyn A. Wanat, MD

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Case Reports

Primary Cutaneous Dermal Mucinosis on Herpes Zoster Scars

Author:

Diana Camacho, MD

Federico Feltes, MD

Salma MacHán, MD

The term isotopic response refers to the appearance of a new skin disease at the site of another unrelated and already healed skin disorder. Often...

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Photo Challenge

Brown Papules and a Plaque on the Calf

Author:

Jin A. Kim, MD

Ji Hyun Lee, MD, PhD

Jun Young Lee, MD, PhD

Young Min Park, MD, PhD

A 61-year-old man presented with a cluster of asymptomatic brown papules and a plaque on the left calf of several years’ duration. The lesion...

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Case Reports

Lichen Planus Pemphigoides Associated With Pregnancy Mimicking Pemphigoid Gestationis

Author:

Jennifer Rullán, MD

Nicole Carvajal Diaz, MD

Miguel Vazquez-Botet, MD

Lichen planus pemphigoides (LPP) is a rare condition characterized by tense blisters that arise on lesions of lichen planus (LP) and on unaffected...

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Case Letter

Pemphigus Vulgaris Successfully Treated With Doxycycline Monotherapy

Author:

Natalie L. Hone, MD

Diya F. Mutasim, MD

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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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