title: [Recurrent fecal blood. Sigmoidoscopy with erroneous conclusions].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D000328:Adult; D016888:Angiodysplasia / Q000175:diagnosis*; D003108:Colonic Diseases / Q000209:etiology*; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003111:Colonic Polyps / Q000175:diagnosis*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D017809:Fatal Outcome; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology*; D008297:Male; D012002:Rectal Diseases / Q000175:diagnosis*; D012008:Recurrence; D012812:Sigmoidoscopy