Abstract
The right hepatic artery usually branches from the common hepatic artery, however, there are cases showing anatomic variations. We present 41-year-old female patient with gallbladder cancer. In this case, the accessory right hepatic artery branched from the gastroduodenal artery, passed in front of the common bile duct and fed into the anterior segment of the liver. Cholecystectomy and resection of the extrahepatic bile duct with hepaticoenterostomy were performed successfully, preserving the accessory right hepatic artery. There are few reports presenting such an extremely rare anomaly of hepatic arteries in the English literature. Additionally, we herein present a review of the English literature regarding anatomic variations of right hepatic artery.
Highlights
The patterns of the arterial blood supply to the liver have a tendency to show a certain variability [1, 2]
We would like to present an extremely rare case of the accessory right hepatic artery (RHA) (aRHA) branching from the gastroduodenal artery (GDA)
Three-dimensional (3D)-computed tomography (CT) angiography showed that the aRHA branched from the GDA, whereas the cholecystic artery could not be detected (Fig. 1c, d)
Summary
The patterns of the arterial blood supply to the liver have a tendency to show a certain variability [1, 2]. English literature regarding anatomic variations of right hepatic artery. The right hepatic artery (RHA) usually arises from the common hepatic artery (CHA). One of the best known anatomic variations of hepatic arteries is a replaced or accessory RHA (aRHA) branching from the superior mesenteric artery (SMA) [3, 4].
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