[Hemorrhage caused by rectal varices and portal hypertension].
Hemorrhage from rectal varices due to portal hypertension is an exceptional finding (23 cases published), and arises as a result of derivation of hepatic blood flow into the inferior mesenteric vein (superior hemorrhoidal vein) associated with rectal vein dysplasia. A case is reported in a known cirrhotic.
D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications*; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012007:Rectum / Q000098:blood supply* / Q000000981:diagnostic imaging; D014648:Varicose Veins / Q000150:complications* / Q000000981:diagnostic imaging
Les hémorragies par varices rectales et hypertension portale.