Anomaly of the portal vein with an anomalous hepatic vein - The first casereport

An anomaly of the portal vein associated with an anomalous hepatic vein is described as the first reported case. A 44-year-old woman was incidentally found to have a huge hemangioma by ultrasonography. Computed tomography rev ealed an anomalous portal system with a normally located gallbladder and ro und ligament. Arterial portography revealed anomalous branching of the port al vein, with absence of the left umbilical portion, the curved right porta l branch mimicked the right-sided umbilical portion. Hepatic venography dem onstrated patent umbilical veins communicating with the left hepatic vein. Intraoperatively the hepatic vein branch was found on the surface of the ri ght hepatic lobe and the common bile duct was dorsal to the hepatic artery. A limited excision of the involved liver was performed safely with the hel p of the preoperative definition of the abnormal liver anatomy.