Vasculitis--the dermatological approach.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002467:Cell Nucleus / Q000648:ultrastructure; D002648:Child; D002675:Child, Preschool; D005148:Facial Dermatoses / Q000473:pathology; D005260:Female; D006099:Granuloma / Q000150:complications / Q000473:pathology; D006801:Humans; D008214:Lymphocytes; D008297:Male; D008875:Middle Aged; D012008:Recurrence; D012189:Retrospective Studies; D018366:Vasculitis, Leukocytoclastic, Cutaneous / Q000145:classification / Q000150:complications / Q000473:pathology*