4.6 Article

Improving outcomes of liver resection for hepatocellular carcinoma associated with portal vein tumor thrombosis over the evolving eras of treatment

Journal

WORLD JOURNAL OF SURGICAL ONCOLOGY
Volume 19, Issue 1, Pages -

Publisher

BMC
DOI: 10.1186/s12957-021-02425-w

Keywords

Hepatocellular carcinoma; Liver resection; Portal vein tumor thrombosis; Outcomes; Era

Funding

  1. Chang Gung Medical Research Program [CMRPG3K1461]

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The study analyzed the outcomes of patients who had undergone liver resection for HCC with PVTT, finding that factors such as tumor size and location of PVTT influenced HCC recurrence. Overall survival was significantly better in the second era compared to the first era.
Background The outcomes and management of hepatocellular carcinoma (HCC) have undergone several evolutionary changes. This study aimed to analyze the outcomes of patients who had undergone liver resection for HCC with portal vein tumor thrombosis (PVTT) in terms of the evolving era of treatment. Materials and methods A retrospective analysis of 157 patients who had undergone liver resection for HCC associated with PVTT was performed. The outcomes and prognostic factors related to different eras were further examined. Results Overall, 129 (82.1%) patients encountered HCC recurrence after liver resection, and the median time of recurrence was 4.1 months. Maximum tumor size >= 5 cm and PVTT in the main portal trunk were identified as the major prognostic factors influencing HCC recurrence after liver resection. Although the recurrence-free survival had no statistical difference between the two eras, the overall survival of patients in the second era was significantly better than that of the patients in the first era (p = 0.004). The 1-, 2-, and 3-year overall survival rates of patients in the second era were 60.0%, 45.7%, and 35.8%, respectively, with a median survival time of 19.6 months. Conclusion The outcomes of HCC associated with PVTT remain unsatisfactory because of a high incidence of tumor recurrence even after curative resection. Although the management and outcomes of patients with HCC and PVTT have greatly improved over the years, surgical resection remains an option to achieve a potential cure of HCC in well-selected patients.

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