title: Painful perianal lumps in a man with male sexual partners.
authors.forename: Miranda
authors.initials: M
authors.lastname: Sherley
authors.forename: Sarah
authors.initials: S
authors.lastname: Martin
mesh_terms: D001004:Anus Diseases / Q000382:microbiology*; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D012874:Skin Diseases, Infectious / Q000382:microbiology*; D013587:Syphilis / Q000175:diagnosis* / Q000188:drug therapy; D055815:Young Adult