The portal vein is a vital vasculature providing up to 75% of blood supply to the liver. It originates posterior to the pancreas by the confluence of superior mesenteric and splenic veins, and, prior to entering into the liver, it divides into the left and right portal vein. 1 Thrombosis of the portal vein is an uncommon disorder comprising of thrombosis of the extrahepatic portion of the ....