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Aberrant extrahepatic arteries and variants of biliary anatomy are well known. During surgery in this area, surgeons have to concentrate on avoiding inadvertent injuries to these structures. We present a patient with an aberrant right hepatic artery arising directly from the celiac trunk, resulting in an abnormal path of the cystic artery. A 62-year-old man was diagnosed with acute cholecystitis and underwent laparoscopic cholecystectomy. A preoperative abdominal computed tomography scan showed an aberrant right hepatic artery arising directly from the celiac trunk. The cystic artery did not pass through Calot's triangle. During operation, the cystic artery was anterior and adherent to the cystic duct. Surgeons must be familiar with anatomical variations of the extrahepatic biliary tree and arterial supply to prevent inadvertent injuries during laparoscopic cholecystectomy.

Right hepatic artery (RHA) injury is a complication that occurs during laparoscopic cholecystectomy, which can sometimes cause hepatic artery pseudoaneurysm or ischemic hepatic necrosis. Therefore, RHA should be managed carefully. Herein, we report a case of intraoperative RHA injury that was successfully repaired during laparoscopic cholecystectomy. Bleeding was controlled prior to the cholecystectomy with vascular clamp forceps that had been inserted through an additional trocar, and repair of the RHA injury was then performed laparoscopically. The postoperative course was uneventful, and patency of the RHA and its sectional arteries were confirmed by CT arteriography. Laparoscopic repair of minor RHA injuries can be managed safely if bleeding is adequately controlled.