Dermatologic Disorders

This article is part of a series describing and differentiating dermatologic lumps and bumps. In part 15, accessory tragus and frostbitten ears are described.

A 17-month-old boy was referred to our pediatric dermatology clinic for evaluation of a facial rash that had been present since age 6 months. The patient’s mother reported that the eruption had initially...

This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 29, Leung and colleagues describe keratoacanthoma. To access previously published articles in the...

A 70-year-old man presented to our dermatology clinic with a 1-week history of 1- to 2-mm papules with an erythematous base on his right wrist. He denied any associated pain, pruritus, or systemic...

A 63-year-old woman presented for evaluation of painless nodules on her feet. With questioning, she was also found to have similar lesions on one of her palms.

This article is part of a series describing and differentiating dermatologic lumps and bumps. In Part 27, Leung and colleagues describe epidermoid cysts.

A 4-year-old girl presented to the dermatology clinic with a 9 mm firm, nontender, well-circumscribed dome-shaped pruritic pink papule on her anterior left thigh. The papule was eccentrically located within...

A previously healthy 7-year-old boy presented to our clinic with his parents with a 2-week history of an enlarging left occipital mass. The lesion was initially red, flat, and circular.

A 5-week-old infant presented with his parents to an outpatient pediatric facility with pustules and red bumps clustered on the right axillae and scattered on the abdomen. The patient’s parents only spoke...

A healthy 5-month-old girl presented with a vascular plaque over the back that had been noted a few weeks after birth. The plaque had begun as an erythematous patch that had grown fairly rapidly over the...