Dermatologic Disorders

Maculopapular cutaneous mastocytosis (also known as urticaria pigmentosa) is the most common form of cutaneous mastocytosis and accounts for 70% to 90% of pediatric cases. Its incidence has been estimated...

A 21-year-old previously healthy woman presented to the emergency room with a progressive rash on her right leg and was found to be febrile and hypotensive.

A 76-year-old man reported right ear pain of more than 2 weeks’ duration that began while he was at the beach during the summer.

A 63-year-old man with a medical history of hypertension, type 2 diabetes mellitus, and hyperlipidemia presented with pruritus involving the palmar surface of the left hand following recent yard work. ...

A late-term newborn, born at 41 weeks and 1 day gestation to a 31-year-old G5P4 mother, developed erythematous nodules on the right shoulder on day 2 of life during routine inpatient evaluation.