Dermatopathology
Original Research

Gone Fishing: A Unique Histologic Pattern in Cutaneous Angiosarcoma
Cutaneous angiosarcoma is a rare but aggressive vascular malignancy that can present a diagnostic challenge due to a wide variety of clinical...
Dermpath Diagnosis

Perianal Condyloma Acuminatum-like Plaque
A 19-year-old man presented with a perianal condyloma acuminatum-like plaque of 2 years' duration and a 6-month history of diarrhea.
Photo Challenge

Disseminated Vesicles and Necrotic Papules
A 30-year-old man who had contracted human immunodeficiency virus from a male sexual partner 4 years prior presented to the emergency department...
Case Report

A Recalcitrant Case of Toxic Epidermal Necrolysis
We describe a case that was initially diagnosed and treated as toxic epidermal necrolysis (TEN) by an outside hospital. After failure to improve...
Photo Challenge

Brown-Black Papulonodules on the Arm
A 63-year-old man presented with a pruritic rash on the right arm of approximately 3 months' duration. On physical examination, several discrete,...
Dermpath Diagnosis

Asymptomatic Subcutaneous Nodule on the Cheek
An 81-year-old man with history of melanoma and nonmelanoma skin cancer presented with a subcutaneous nodule on the left cheek of 3 months'...
Photo Challenge

Asymptomatic Erythematous Plaques on the Scalp and Face
An 84-year-old man presented with gradually enlarging, asymptomatic, erythematous to violaceous plaques on the face and scalp of 11 years'...
Photo Challenge

Enlarging Red Papulonodule on the Chest
A man in his 60s presented with a subcutaneous nodule on the right side of the chest. Due to impaired mental status, he was unable to describe the...
Dermpath Diagnosis

Growing Nodule on the Arm
Case Report

Primary Cutaneous Follicle Center Lymphoma Mimicking Folliculitis
Primary cutaneous follicle center lymphoma (PCFCL) is the most common type of cutaneous B-cell lymphoma. The cutaneous manifestations of PCFCL...