Lichen purpuricus. Report of a case.
D000293:Adolescent; D001284:Atrophy; D001706:Biopsy; D005455:Fluorescent Antibody Technique; D006801:Humans; D008297:Male; D012867:Skin / Q000473:pathology; D012871:Skin Diseases / Q000175:diagnosis / Q000473:pathology; D013848:Thigh