radiography of the portal vein after injection of opaque material.
portal portography portography after injection of opaque material into the superior mesenteric vein or one of its branches, the abdomen being opened.
splenic portography portography after percutaneous injection of opaque material into the substance of the spleen.
Radiography of the splenic and portal veins after injection of a contrast medium into the splenic artery.
See also: portography