title: Persistent perianal ulcers. Tuberculosis cutis orificialis (TCO).
authors.affiliation: National Skin Centre, Singapore.
authors.forename: Lee Haur
authors.initials: LH
authors.lastname: Yueh
authors.forename: Lim Yen
authors.initials: LY
authors.lastname: Loo
authors.forename: Tan Suat
authors.initials: TS
authors.lastname: Hoon
authors.forename: Tan Hiok
authors.initials: TH
authors.lastname: Hee
mesh_terms: D000368:Aged; D005401:Fissure in Ano / Q000175:diagnosis / Q000382:microbiology* / Q000473:pathology; D006801:Humans; D008297:Male; D014382:Tuberculosis, Cutaneous / Q000175:diagnosis* / Q000473:pathology