Dermatopathology

Dermpath Diagnosis

Soft Nodule on the Forearm

Author:

Syeda F. Absar, MD, MPH

Tammie C. Ferringer, MD

A 54-year-old woman presented with an enlarging mass on the right volar forearm. Physical examination revealed a 1-cm, soft, mobile, subcutaneous...

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Photo Challenge

Painful Psoriasiform Plaques

Author:

Maria Amoreth R. Gozo, MD

Iviensan F. Manalo, MD

Justin T. Cheeley, MD

A 45-year-old woman presented to the emergency department with a painful skin eruption and malaise of 5 weeks’ duration. She had an orthotopic...

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Case Reports

Bullous Amyloidosis Masquerading as Pseudoporphyria

Author:

Kavita Darji, MD

Niraj Butala, MD

Steven M. Manders, MD

Justin J. Green, MD

Primary systemic amyloidosis, including the rare cutaneous bullous amyloidosis, often is difficult to diagnose and has been associated with...

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Photo Challenge

Pedunculated Tumor on the Posterior Neck

Author:

Sheetal K. Sethupathi, MD

Eran Chen, MD

M. Yadira Hurley, MD

A 56-year-old man presented with a progressively enlarging lesion on the posterior neck of 8 months’ duration. He reported localized pruritus of...

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Dermpath Diagnosis

Erythematous and Ulcerated Plaque on the Left Temple

Author:

Cheyenne J. Hornback, MD

Justin M. McLawhorn, MD

Beth S. Raju, MD

Lindsey Collins, MD

A 72-year-old man with a history of nonmelanoma skin cancer and lung transplant maintained on stable doses of prednisone and tacrolimus presented...

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Case Letter

A Severe Presentation of Plasma Cell Cheilitis

Author:

Leah Cohen, MD

Jessica M. Farahi, MD

Merrick A. Brodsky, MD

Whitney A. High, MD, JD, MEng

Jeremy Hugh, MD

Plasma cell cheilitis (PCC) is an uncommon condition characterized by mature plasma cell infiltration of the dermis of the mucosal lip. We present...

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Case Letter

Verruca Vulgaris Arising Within the Red Portion of a Multicolored Tattoo

Author:

Dev Sahni, MD, MHA

Laurel Wong Cummings, MD

Rachel Balow Lee, MD

Joi Lenczowski, MD

Mark Cameron Mochel, MD

Verruca vulgaris may affect tattoos in a color-restricted manner and demonstrate latency of many years after tattoo placement. Timely diagnosis of...

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Photo Challenge

Verrucous Scalp Plaque and Widespread Eruption

Author:

Lauren L. Beal, BA

James Robert Duncan, MD

Peter G. Pavlidakey, MD

Tiffany Mayo, MD

A 40-year-old man presented for evaluation of a thick verrucous plaque throughout the scalp extending onto the forehead; thick plaques on the...

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Case Letter

Cutaneous Protothecosis

Author:

Dana M. Baigrie, DO

Laura F. Sandoval, DO

Warren J. White, MD

Laura Tanner, MD

Warren C. White, MD

Cutaneous protothecosis has the potential to mimic many other skin diseases and lesions, including eczema; nonmelanoma skin cancer; or bacterial,...

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Case Letter

Verrucous Carcinoma in a Wounded Military Amputee

Author:

Kelly Laskoski, MD

Danielle Neal, DO

Brittany Lenz, MD

Margaret Abuzeid, MD

Thomas Beachkofsky, MD

Verrucous carcinoma is a rare, well-differentiated, locally aggressive squamous cell carcinoma that commonly occurs in sites of inflammation or...

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Dermpath Diagnosis

Bullous Retiform Purpura on the Ears and Legs

Author:

Shane M. Swink, DO, MS

Naeha Gupta, DO

Haider Asad, MD

Claire Dorfman, DO

Nektarios Lountzis, MD

A 40-year-old woman presented with a progressive painful rash on the ears and legs of 2 weeks’ duration. She described the rash as initially red...

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