title: Colonic varices. Unusual cause of rectal bleeding.
abstract: A 46-year old male with recurrent rectal bleeding is reported. Extensive radiographic studies, upper gastrointestinal endoscopy and sigmoidoscopy failed to demonstrate any pathologic findings. Colonoscopy revealed varices in the rectosigmoid area. This paper reviews the subject of colonic varices.
mesh_terms: D003106:Colon / Q000098:blood supply*; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014648:Varicose Veins / Q000150:complications* / Q000175:diagnosis