title: Arteriocolic fistula: an unusual cause of gastrointestinal-tract bleeding.
abstract: An unusual case of acute gastrointestinal hemorrhage secondary to an iliac-artery aneurysm to a sigmoidal fistula is presented. Diagnosis and pathogenesis are discussed, and a plan for treatment is proposed.
mesh_terms: D000368:Aged; D000783:Aneurysm / Q000150:complications / Q000601:surgery; D012809:Colon, Sigmoid / Q000601:surgery; D003125:Colostomy; D005402:Fistula / Q000150:complications* / Q000601:surgery; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007083:Iliac Artery / Q000601:surgery; D007412:Intestinal Fistula / Q000150:complications* / Q000601:surgery; D008297:Male