Painful purpura in systemic lupus erythematosus

Abstract

A woman in her late 50s presented with a two month history of a scattered macular rash on her back, which progressively merged into painful purpura. She had a history of systemic lupus erythematosus treated with prednisone and hydroxychloroquine. Physical examination showed violaceous, reticular purpura with dusky central discoloration (fig 1 …