Dermatopathology

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...

Photo Challenge

Pruritic Eruption With Skinfold Sparing

Author:
Taylor Novice, BS
Danielle Yeager, MD
David Oberlin, MD
Henry Lim, MD

An 89-year-old Asian man presented with a generalized pruritic eruption of 2 months' duration. The rash started on the flanks and later spread to...

Dermpath Diagnosis

Edema Affecting the Penis and Scrotum

Author:
Megan Wetzel, MD, MPH
Jordan Jones, MD
Soon Bahrami, MD
Sonya Burton, MD

A 44-year-old man presented for evaluation of self-described "skin ripping" on the penis with penile and scrotal edema of 1 year's duration....

Photo Challenge

Multinodular Plaque on the Penis

Author:
Derek W. Nickerson, MD
Jessica R. Dowling, MD
Heather O'Connor, DO
Daniel Lopez, MD
Dirk M. Elston, MD

A 34-year-old man presented for evaluation of a slowly growing group of firm white bumps on the penis. The lesions were nontender and asymptomatic...

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