title: Anomalous venous connections involving the portal system.
abstract: Five cases representing four different venous anomalies involving the portal system are described. The clinical importance of these anomalies, especially in patients with portal hypertension, is stressed.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D006975:Hypertension, Portal / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010690:Phlebography; D011168:Portal System / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011169:Portal Vein / Q000002:abnormalities / Q000000981:diagnostic imaging