Systematic laparoscopic left lateral segmentectomy of the liver for hepatocellular carcinoma

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Abstract
A systematic technique for the resection of hepatocellular carcinoma (HCC) prevents the dissemination of cancer cells through the portal vein of the remnant liver. We successfully performed a systematic laparoscopic left lateral segmentectomy in a 62-year-old man with HCC. The tumor was located in the left lateral segment of the liver, and measured approximately 4 cm in diameter. Since no other tumors were detected in the liver or in any distant organs, the patient was considered to be a candidate for surgery. A laparoscopic hepatic resection was selected as the procedure of choice. Prior to dissection of the liver parenchyma, the arteries and branches of the portal vein feeding the left lateral segment were divided and dissected, together with the branches of the biliary tree in the umbilical portion of the left pedicle of Glisson's capsule. The liver parenchyma was then dissected and the left hepatic vein divided and dissected, and transection of the left lateral segment was completed. The patient's postoperative course was uneventful and he was discharged on postoperative days 14. No evidence of recurrence has been noted in the 22 months after surgery (the time of this report). This less invasive surgery, taking into consideration the pathogenesis of HCC, may be a useful new approach in selected patients with this tumor.

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