Dermatologic Disorders

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...

An 87-year-old man presented to the clinic for evaluation of progressive redness limited to the right cheek that had worsened over the past few months. He denied pain or itching. The red patch was treated...

This article is part of a series describing and differentiating dermatologic lumps and bumps. In part 12, Bohn nodules, Epstein pearls, and neonatal sucking pads of the lips are described.

A 9-year-old boy presented to the clinic with skin discoloration on the sole of his right foot that appeared abruptly 3 weeks prior to presentation. His mother said that the discoloration may have slightly...

This article is part of a series describing and differentiating dermatologic lumps and bumps. In part 14, parulis and traumatic fibroma of the tongue are described.

An 8-year-old Chinese boy presented with a history of sparse hair on the scalp, eyebrows, and eyelashes, and milky white and deformed fingernails and toenails that had developed gradually since early...

This article is part of a series describing and differentiating dermatologic lumps and bumps. In part 13, ranula and mucocele are described.