title: Arteriographic diagnosis of a juvenile colon polyp.
abstract: A juvenile colon polyp was demonstrated by inferior mesenteric arteriography in a 21-year old man with recurrent, massive, unexplained gastrointestinal bleeding. The arteriogram demonstrated a mucosal blush at the tip of the polyp along with a solitary prominent draining vein in the stalk and a nest of draining veins at the base of the stalk.
mesh_terms: D000328:Adult; D000792:Angiography; D003106:Colon / Q000098:blood supply* / Q000473:pathology; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D008638:Mesenteric Arteries / Q000000981:diagnostic imaging*; D008642:Mesenteric Veins / Q000000981:diagnostic imaging*