Kejie Zheng1, Anque Liao2, Lunan Yan1, Jiayin Yang1, Hong Wu1, Li Jiang3. 1. Department of Liver Surgery, Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, China. 2. Department of Operation Center, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China. 3. Department of Liver Surgery, Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, China. jl339@126.com.
Abstract
BACKGROUND: With the advancement of laparoscopic technology, more precise anatomical hepatectomies such as segmentectomy or even bi-segmentectomy have been recommended by updated expert consensus to treat a single small hepatocellular carcinoma (HCC) [1, 2]. Herein, we presented a video of laparoscopic anatomic bi-segmentectomy (S3 and S4b) using the Glisson's pedicle-first and intrahepatic anatomic markers approach. METHODS: A 66-year-old male was referred for treatment of a single HCC adjacent to the Sagittal part of the left portal vein. The procedure was performed according to the following steps: (1) dissecting and transecting the Glisson's pedicle to S3 and S4b based on Laennec's capsule [3]; (2) identification of the ischemia boundary on the liver surface and confirming the presence of adequate surgical margins within the boundary, ensuing the integrity of segment 2 and 4a by the intraoperative ultrasonography meanwhile; (3) the left parenchymal transection was begun along the demarcation line, exposing the Glisson's pedicle to S2, left hepatic vein, and umbilical fissure vein; (4) the right parenchymal transection was performed to expose the V5, V4b, and V4a. And this operation was approved by the Institutional Review Board of the West China Hospital and written informed consent was obtained from patient of Sichuan University and written informed consent was obtained from patient. (5) The blood supply of residual liver surface was observed, and the integrity of segment 2 and 4a hepatic pedicle was ensured by intraoperative ultrasonography. RESULTS: The operative time was 224 min and blood loss during operation was 50 ml. The histopathologic examination showed a solitary HCC, 4 cm in diameter, with negative surgical margin and no microvascular invasion. The patient had an uneventful postoperative recovery and was discharged on postoperative day 5. CONCLUSION: Laparoscopic bi-segmentectomy (S3 and S4b) using the Glisson's pedicle-first and intrahepatic anatomic markers approach is feasible and effective. Its advantages lie in obtaining the benefits of anatomical hepatectomy, while maximizing the postoperative functional hepatic reserve [4-6].
BACKGROUND: With the advancement of laparoscopic technology, more precise anatomical hepatectomies such as segmentectomy or even bi-segmentectomy have been recommended by updated expert consensus to treat a single small hepatocellular carcinoma (HCC) [1, 2]. Herein, we presented a video of laparoscopic anatomic bi-segmentectomy (S3 and S4b) using the Glisson's pedicle-first and intrahepatic anatomic markers approach. METHODS: A 66-year-old male was referred for treatment of a single HCC adjacent to the Sagittal part of the left portal vein. The procedure was performed according to the following steps: (1) dissecting and transecting the Glisson's pedicle to S3 and S4b based on Laennec's capsule [3]; (2) identification of the ischemia boundary on the liver surface and confirming the presence of adequate surgical margins within the boundary, ensuing the integrity of segment 2 and 4a by the intraoperative ultrasonography meanwhile; (3) the left parenchymal transection was begun along the demarcation line, exposing the Glisson's pedicle to S2, left hepatic vein, and umbilical fissure vein; (4) the right parenchymal transection was performed to expose the V5, V4b, and V4a. And this operation was approved by the Institutional Review Board of the West China Hospital and written informed consent was obtained from patient of Sichuan University and written informed consent was obtained from patient. (5) The blood supply of residual liver surface was observed, and the integrity of segment 2 and 4a hepatic pedicle was ensured by intraoperative ultrasonography. RESULTS: The operative time was 224 min and blood loss during operation was 50 ml. The histopathologic examination showed a solitary HCC, 4 cm in diameter, with negative surgical margin and no microvascular invasion. The patient had an uneventful postoperative recovery and was discharged on postoperative day 5. CONCLUSION: Laparoscopic bi-segmentectomy (S3 and S4b) using the Glisson's pedicle-first and intrahepatic anatomic markers approach is feasible and effective. Its advantages lie in obtaining the benefits of anatomical hepatectomy, while maximizing the postoperative functional hepatic reserve [4-6].
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