Examination of the portal circulation by the use of X-ray films after injection of radiopaque material.
Portal Vein
A short thick vein formed by union of the superior mesenteric vein and the splenic vein.
Hypertension, Portal
Abnormal increase of resistance to blood flow within the hepatic PORTAL SYSTEM, frequently seen in LIVER CIRRHOSIS and conditions with obstruction of the PORTAL VEIN.
Angiography
Radiography of blood vessels after injection of a contrast medium.
Liver Neoplasms
Tumors or cancer of the LIVER.
Tomography, X-Ray Computed
Tomography using x-ray transmission and a computer algorithm to reconstruct the image.