Fig. 9From: All about portal vein: a pictorial display to anatomy, variants and physiopathologyCongenital extrahepatic arterioportal fistula. a VRT and b MIP images from dominant arterial phase CT. a Best depict an early enhancement of the PV in this phase, a sign of arterioportal shunt. b Here, we can precisely individualize the arteriovenous malformation, as an aberrant tortuous hepatic artery branch connecting with the left PV, with an attenuation similar to the hepatic artery, filling retrogradely the PVBack to article page