Dermatopathology

Dermpath Diagnosis

Irritated Pigmented Plaque on the Scalp

Author:
Venkata Anisha Guda, BS
Sara E. Chapman, MD
Justin P. Bandino, MD

A 49-year-old man with light brown skin and no history of skin cancer presented with a pruritic lesion on the scalp of 3 years’ duration. Physical...

MD IQ

Dermpath Diagnosis

Depressed Shiny Scars and Crusted Erosions

Author:
Christina Dai, MD
Alison E. Seline, MD
Olayemi Sokumbi, MD

A 9-year-old girl presented with unexplained burning pain on the face, hands, and feet of 3 years' duration. Physical examination showed depressed...

Dermpath Diagnosis

Woody Erythematous Induration on the Posterior Neck

Author:
Yasser Faraj, DO
Taylor Gray, DO
Krina Chavda, DO
George Gibbons, MD
Richard Miller, DO

A 39-year-old white woman with a medical history of type 1 diabetes mellitus and rheumatoid arthritis presented to the dermatology clinic with...

Case Letter

Granular Parakeratosis

Author:
Maren Gaul, DO
Jonathan Bass, MD
Schield Wikas, DO

Granular parakeratosis is possibly related to a combination of topical products that potentiate irritation, rubbing, and occlusion of sweat.

Dermpath Diagnosis

Purpuric Bullae on the Lower Extremities

Author:
Radhika Grandhi, MD, MPH
Norhan Shamloul, MD, MS
Matthew Powell, MD

A 30-year-old woman with a medical history of uncontrolled type 2 diabetes mellitus and morbid obesity presented to the dermatology clinic with a...

Case Letter

Vulvar Syringoma

Author:
George Garib, MD
Jenna Janiga Lullo, MD
Aleodor A. Andea, MD

Ensure adequate depth of biopsy to assist in the histologic diagnosis of syringoma vs microcystic adnexal carcinoma.

Case Letter

Sweet Syndrome With Marked Eosinophilic Infiltrate

Author:
Luis J. Borda, MD
Penelope J. Kallis, MD
Janelle Pavlis, MD
Mahfood Alqatari, MD
Paolo Romanelli, MD
Gil Yosipovitch, MD

This report highlights a case of classical Sweet syndrome (SS) with a particularly dense eosinophilic infiltrate, which could be mistaken for...

Photo Challenge

Solitary Papule on the Shoulder

Author:
Trevor Batty, DO
Dan Ilkovitch, MD, PhD

A 64-year-old man presented to dermatology for a full-body skin examination. Physical examination revealed an asymptomatic, 4-mm, yellowish pink...

Dermpath Diagnosis

Keratotic Papule on the Abdomen

Author:
Albena Gesheva, BS
Michelle Pitch, MD
Lorraine L. Rosamilia, MD
Eric Hossler, MD

A 59-year-old woman with a history of basal cell carcinoma, uterine and ovarian cancer, and verrucae presented with an asymptomatic 3-mm lesion on...

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