Dermatologic Disorders

This article is part 10 of a 15-part series of Photo Essays describing and differentiating conditions affecting the nails. This section discusses psoriatic nails, which affects up to 90% of patients with...

This article is part of a series describing and differentiating dermatologic lumps and bumps. In part 11, pilomatricoma is described.

This article is part of a series describing and differentiating dermatologic lumps and bumps. In part 10, facial sebaceous hyperplasia and seborrheic keratosis are described.

A 22-year-old male student naval aviator presented with a 1-week history of an eruptive nonpruritic rash that had started on the upper and lower extremities.

A 51-year-old African American woman with a more than 20-year history of severe plaque psoriasis presented to the clinic due to a flare-up of her symptoms.

A 35-year-old woman presented to our clinic with chronic bilateral lower extremity ulcerations that had worsened over the past 2 weeks. The lesions had started as small, tender nodules that subsequently...

A 66-year-old man was referred to the clinic for evaluation of cough, fevers, and rigors that had progressed over 10 days. His sputum was purulent but without hemoptysis.

A 24-year-old woman with a history of vitiligo and moderate intellectual disability had initially presented to her primary care provider for a pruritic, bleeding bump on her left parietal scalp.

A 13-year-old girl presented to the clinic with hair loss and a rash in the axillae for 4 months. The lesions initially had appeared as erythematous and coin-shaped and then had evolved into hyperpigmented...

A 7-year-old boy with a history of eczema presented with painful peeling of his fingernails of several days’ duration. He denied any trauma or other inciting injury to his fingernails. His mother had a...