title: Ischemic optic neuropathy secondary to intestinal hemorrhage.
abstract: A 70-year-old man presented with bilateral ischemic optic neuropathy. Workup revealed anemia that proved to be secondary to blood loss from an occult small bowel sarcoma. Ischemic optic neuropathy is an uncommon complication of gastrointestinal hemorrhage. It is important to recognize the association of visual loss and severe blood loss when they occur concurrently, so that proper treatment may be promptly instituted.
mesh_terms: D000368:Aged; D001803:Blood Transfusion; D006471:Gastrointestinal Hemorrhage / Q000150:complications* / Q000628:therapy; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications; D007511:Ischemia / Q000209:etiology*; D008297:Male; D009900:Optic Nerve / Q000098:blood supply*; D012509:Sarcoma / Q000150:complications