title: Imaging fistula-in-ano.
authors.affiliation: Intestinal Imaging Centre, St. Mark's Hospital, Harrow, Middlesex, UK.
authors.forename: S
authors.initials: S
authors.lastname: Halligan
mesh_terms: D001003:Anal Canal / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D019160:Endosonography; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D012003:Rectal Fistula / Q000145:classification / Q000175:diagnosis* / Q000601:surgery; D014057:Tomography, X-Ray Computed