Dermclinic:A Photo Quiz to Hone DermatologicSkills

摘要

A 5-year-old girl with atopic dermatitis is brought to your office with a 4-day history of what the mother describes as "itchy eczema" on her legs. What are your thoughts about the cause of the rash? A. Atopic dermatitis flare. B. Impetigo. C. Herpes simplex. D. Molluscum contagiosum. E. Candidiasis. Pityriasis rosea, A, can occur more than once, and often develops after a recent upper respiratory tract infection. The diagnosis 8 months earlier was correct. Guttate psoriasis is usually seen on the legs and does not respond to a tapering course of prednisone. Tinea corporis in an otherwise healthy person is not as extensive as this patient's eruption. Insect bites and contact dermatitis typically are not flat, scaly patches that are confined to the trunk.