Preduodenal portal vein: a significant entity? Report of two cases and review of the literature.
D000015:Abnormalities, Multiple; D000013:Congenital Abnormalities / Q000000981:diagnostic imaging / Q000196:embryology / Q000601:surgery; D004106:Dilatation; D004380:Duodenal Obstruction / Q000601:surgery; D004386:Duodenum / Q000000981:diagnostic imaging; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000601:surgery; D011169:Portal Vein / Q000002:abnormalities* / Q000196:embryology / Q000601:surgery; D011859:Radiography