Dermpath Diagnosis

Dermpath Diagnosis

Enlarging Nodule on the Thigh

A 68-year-old patient presented with an enlarging flesh-colored nodule on the thigh that was positive for cytokeratin 20 and negative for...

Dermpath Diagnosis

Unilateral Facial Papules and Plaques

A 9-year-old boy presented with a slowly progressive lesion of 5 years’ duration affecting only the left side of the face in a dermatomal pattern...

Dermpath Diagnosis

Indurated Plaque on the Shoulder

A 66-year-old man with mycosis fungoides presented with a new indurated plaque on the left shoulder. Biopsies of the left shoulder and back...

Dermpath Diagnosis

Solitary Nodule on the Thigh

A 17-year-old adolescent girl presented with a discrete nodule on the thigh.

Dermpath Diagnosis

Progressive and Translucent Plaques on the Soles

A 64-year-old woman with a medical history of Waldenström macroglobulinemia, multiple sclerosis, and epilepsy presented with slowly growing...

Dermpath Diagnosis

Tetrad Bodies in Skin

A 72-year-old woman with a medical history notable for multiple sclerosis and intravenous drug abuse presented to the dermatology clinic with a 0....

Dermpath Diagnosis

Deep Soft Tissue Mass of the Knee

A 16-year-old adolescent girl presented with a bump over the left posterior knee of 1 month's duration. Her medical history was unremarkable. She...

Dermpath Diagnosis

Painful Mouth Ulcers

A 41-year-old woman presented with painful ulcers on the oral mucosa of 2 months' duration that were unresponsive to treatment with acyclovir. She...

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