title: Multiple comedonelike lesions encircling the anal orifice--quiz case.
authors.affiliation: Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland.
authors.forename: Massimo C R
authors.initials: MC
authors.lastname: Lurati
authors.forename: Daniel
authors.initials: D
authors.lastname: Hohl
mesh_terms: D017486:Acneiform Eruptions / Q000209:etiology / Q000473:pathology* / Q000628:therapy; D000369:Aged, 80 and over; D001003:Anal Canal; D006801:Humans; D008297:Male