Persistent Malar Erythema With Atrophy in a Young Woman

A young woman had asymptomatic, facial redness that flared in sunlight, previously treated with doxycycline and topical sulfacetamide with no effect; on her cheeks and nasal bridge there were multiple erythematous, annular plaques with focal areas of atrophy. What is your diagnosis?
Source: JAMA Dermatology - Category: Dermatology Source Type: research