title: Purple ear and retiform purpura.
authors.affiliation: Department of Medicine, Division of Infectious Diseases, Allegheny General Hospital, 420 East North Avenue, East Wing, Suite 407, Pittsburgh, PA, 15212, USA, zmin@wpahs.org.
authors.forename: Zaw
authors.initials: Z
authors.lastname: Min
authors.forename: Alireza
authors.initials: A
authors.lastname: Zarrabi
authors.forename: Abera
authors.initials: A
authors.lastname: Woldesenbet
authors.forename: Richard B
authors.initials: RB
authors.lastname: Williams
mesh_terms: D000328:Adult; D019970:Cocaine-Related Disorders / Q000150:complications*; D016578:Crack Cocaine; D004340:Drug Contamination; D004431:Ear, External / Q000473:pathology*; D005260:Female; D006801:Humans; D007866:Leg; D007978:Levamisole / Q000506:poisoning*; D009336:Necrosis / Q000139:chemically induced; D009666:Nose; D012867:Skin / Q000473:pathology*
chemical_list: D016578:Crack Cocaine; D007978:Levamisole