Dermatologic Disorders

Histologic results of a skin biopsy revealed hyperkeratosis and parakeratosis in the epidermis and extravasation of erythrocytes.

A 66-year-old man presented for inpatient management of depression and bipolar disorder. At presentation, he was noted to have a large, painless, rubbery mass, with diameter of greater than 10 cm, medial to...

A 14-year-old boy with a history of insulin-dependent type 1 diabetes presented to our dermatology clinic with a 2-year history of a slowly growing discoloration on the right medial knee.

This 28-year-old woman presented for evaluation of an itchy rash on both hands, particularly along the edges, of approximately 2 weeks’ duration.

This 83-year-old woman presented with a 1-week history of an asymptomatic rash that wrapped around the right side of her trunk.

This 43-year-old man presented for evaluation of asymptomatic papules on the lateral aspects of both eyelids of 1 week’s duration.

DRESS syndrome has been known for many decades as a severe adverse reaction to a medication.

A 2-year-old girl presented with a pruritic rash. Her mother said the rash had begun after the girl had helped her father in a wheat field.

Dermatofibrosarcoma protuberans is the most common dermal sarcoma, accounting for approximately 18% of cutaneous soft-tissue sarcomas.