Fig. 19
From: All about portal vein: a pictorial display to anatomy, variants and physiopathology
Tumoral PV thrombosis. MPR image from early arterial phase CT shows heterogeneous enhancing PV thrombus, despite absent enhancement of both splenic and SMV (not shown). Note also the presence of cirrhosis (favoring hepatocarcinoma as the cause of the thrombus), ascites, and repermeabilization of the paraumbilical vein (red arrow), signs of PH. The early enhancement of the recanalized paraumbilical vein also suggests the presence of malignant arterioportal fistula