Dermatopathology

Dermpath Diagnosis

Onchocerciasis

The larvae of Onchocerca volvulus, a nematode that is most commonly found in tropical Africa, Yemen, Central America, and South America, are...

Dermpath Diagnosis

Pseudoglandular Squamous Cell Carcinoma

Squamous cell carcinoma (SCC) is the second most common form of skin cancer. Pseudoglandular SCC presents most often on sun-damaged skin of...

Photo Challenge

Tense Bullae With Widespread Erosions

A 50-year-old black man presented with a new-onset widespread pruritic bullous eruption 7 months after being diagnosed with human immunodeficiency...

Photo Challenge

Lobular-Appearing Nodule on the Scalp

A 79-year-old woman presented with a lesion on the left side of the scalp of several years’ duration that had slowly increased in size. Despite...

Dermpath Diagnosis

Localized Argyria With Pseudo-ochronosis

Localized cutaneous argyria often presents as asymptomatic black or blue-gray pigmented macules in areas of the skin exposed to silver-containing...

Case Reports

Autosomal-Dominant Familial Angiolipomatosis

Angiolipomas are among the most common benign soft-tissue tumors and usually present as solitary nodules; however, angiolipomas also may present...

Photo Challenge

Multiple Firm Pink Papules and Nodules

A 91-year-old man presented with numerous, scattered, asymptomatic, 3- to 9-mm, smooth, firm, pink papules and nodules involving the neck, trunk,...

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