Abstract

BackgroundLiver tumours between the root angle of the middle and right hepatic veins are a special type of liver segment VIII tumour. In this study, we designed a modified median hepatic fissure approach to remove these tumours. The safety and effectiveness of the approach were evaluated.Materials and methods From April 2015 to November 2019, 11 patients with liver tumours between the angle of the middle and right hepatic veins underwent this modified median hepatic fissure approach. We retrospectively analysed data from the perioperative periods of these 11 patients, including general condition, operation time, intraoperative bleeding, and postoperative complications. Disease-free survival and overall survival were assessed.ResultsOf the 11 patients, 9 patients had primary hepatocellular carcinoma and 2 had colorectal liver metastases. The average intraoperative blood loss was 285 mL (150–450 mL). Two patients developed postoperative bile leakage, but there were no significant serious complications, such as intraabdominal bleeding and liver failure, in any of the patients. The liver function returned to the normal range on the 5th day after surgery. Of the 11 patients, 5 have survived for more than 3 years (45.5%), and 4 have been disease-free for more than 3 years (36.3%).ConclusionsFor liver tumours between the root angle of the middle and right hepatic veins, the modified median hepatic fissure approach is a safe and feasible method.

Highlights

  • Surgical resection is the most effective and important method for the treatment of multiple types of malignant hepatic tumours [1]

  • Liver tumours between the root angle of the middle and right hepatic veins are a special type of segment VIII tumour

  • Liver tumours between the root angle of the middle and the right liver veins are a special type of segment VIII tumours, and choosing a reasonable surgical resection scheme is the key to treatment

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Summary

Introduction

Surgical resection is the most effective and important method for the treatment of multiple types of malignant hepatic tumours [1]. Ensuring sufficient negative incised margins at the tumour edge is a common method for radical resection, Liver tumours between the root angle of the middle and right hepatic veins are a special type of segment VIII tumour. These tumours are located in the deep part of segment VIII of the liver and are embedded between large blood vessels. Liver tumours between the root angle of the middle and right hepatic veins are a special type of liver segment VIII tumour.

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