Cavernous transformation of the portal vein
Hematemesis and hematochezia.
Triphasic liver CT
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Markedly attenuated calibre of the portal vein (7 mm maximum) with chronic intraluminal thrombosis and multiple related collaterals at the porta hepatis in keeping with cavernomatous transformation.
Normal size of the liver and spleen. The liver shows no evidence of cirrhotic changes.
Incidental sliding hiatal hernia, retro-aortic left renal vein, few bilateral simple renal cortical cysts and dislocated dysmorphic left femoral head with shallow acetabulum.
Cavernous transformation should be considered if multiple venous channels form along the tract of portal vein due to portal vein thrombosis. In this case, there is no portal hypertension which occurs in the majority of these cases.