title: Education and imaging. Gastrointestinal: beware of the painful rectum.
authors.affiliation: Center for Therapeutic Endoscopy and Endoscopic Oncology, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.
authors.forename: S C
authors.initials: SC
authors.lastname: Raftopoulos
authors.forename: M
authors.initials: M
authors.lastname: Efthymiou
authors.forename: P
authors.initials: P
authors.lastname: Kortan
mesh_terms: D000369:Aged, 80 and over; D001005:Anus Neoplasms / Q000150:complications / Q000175:diagnosis*; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000150:complications / Q000175:diagnosis*; D003951:Diagnostic Errors; D005401:Fissure in Ano / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D007417:Intestinal Polyps / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D008297:Male; D010146:Pain / Q000209:etiology*; D011237:Predictive Value of Tests; D012002:Rectal Diseases / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D012812:Sigmoidoscopy