Fig. 6From: A new classification of congenital abnormalities of UPVS: sonographic appearances, screening strategy and clinical significanceSchemes illustrate the normal anatomy and anatomic variants in the connections of the intrahepatic portal veins. The normal course of the intrahepatic portal veins (a). Different types of portal vein variants: Type 1 (b), Type 2 (c), Type 3 (d) and Type 4 (e)Back to article page