Figure1: (a) Erythema and erythematous papules mixed with pigmented macules developed on the trunk and legs. (b) Dense and diffuse inflammatory infiltrate in the dermis (hematoxylin and eosin, 40×). (c) Infiltrate consisting mostly of histiocytes arranged interstitially (hematoxylin and eosin, 200×). (d) Severe collagen degeneration in concert with many neutrophils and lymphocytes. (hematoxylin and eosin, 200×).