Annular Erythematous Plaques With Central Hypopigmentation on Sun-Exposed Skin

Abstract

A 67-year-old White woman presented to our dermatology clinic with pruritic annular erythematous plaques with central hypopigmentation on the forearms, dorsal aspect of the hands, neck, and fingers of 3 to 4 months' duration. The patient rated the severity of pruritus an 8 on a 10-point scale. A review of symptoms was positive for fatigue, joint pain, and headache. The patient had a history of type 2 diabetes mellitus, osteoarthritis, thyroid disease, and stage 3 renal failure. A punch biopsy from the left forearm was performed. WHAT'S YOUR DIAGNOSIS?a. annular elastolytic granuloma b. annular lichen planus c. erythema annulare centrifugum d. necrobiosis lipoidica e. tinea corporis