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TIPS placement in a 21-year-old woman with portal cavernoma. (a-b) CT scan shows the obliteration of the original main portal vein and superior mesenteric vein, as well as the periportal collateral veins supplying the intrahepatic veins. (c) Direct portal venogram after catheterization into the portal vein reveals only collateral vessels and varices. (d) Final portal venogram obtained after TIPS placement demonstrates a good decompression of the portal venous system.
