title: Multiple Perianal Nodules in an HIV-positive Man: A Quiz. Diagnosis: Condyloma accuminata and seborrhoeic keratosis.
authors.affiliation: Department of Dermatology, Toho University Ohashi Medical Center, 2-17-6 Ohashi, Meguro-ku, Tokyo, 153-8515, Japan.
authors.forename: Risa
authors.initials: R
authors.lastname: Suzuki
authors.forename: Shiro
authors.initials: S
authors.lastname: Niiyama
authors.forename: Yuki
authors.initials: Y
authors.lastname: Yokouchi
authors.forename: Hideki
authors.initials: H
authors.lastname: Mukai
mesh_terms: D000328:Adult; D001004:Anus Diseases / Q000473:pathology; D001707:Biopsy, Needle; D003218:Condylomata Acuminata / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D015658:HIV Infections / Q000150:complications / Q000175:diagnosis*; D006679:HIV Seropositivity; D018451:Homosexuality, Male; D006801:Humans; D007150:Immunohistochemistry; D017492:Keratosis, Seborrheic / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D010502:Perineum / Q000473:pathology; D011379:Prognosis; D018570:Risk Assessment; D012720:Severity of Illness Index