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Synergistic impact of resection margin and microscopic vascular invasion for patients with HBV-related intrahepatic cholangiocarcinoma
Expert Review of Gastroenterology & Hepatology  (IF3.869),  Pub Date : 2021-04-25, DOI: 10.1080/17474124.2021.1913053
Wen-Feng Lu, Pei-Qin Chen, Kai Yan, Ye-Chen Wu, Lei Liang, Jian-Yong Yuan, Yong Fu, Hai-Bin Zhang

ABSTRACT

Objectives

The resection margin (RM) status and microscopic vascular invasion (MVI) are known prognostic factors for intrahepatic cholangiocarcinoma (ICC). An enhanced understanding of their impact on long-term prognosis is required to improve oncological outcomes.

Methods

A total of 711 consecutive patients who underwent curative liver resection for hepatitis B virus–related ICC were retrospectively analyzed. The different impact of the RM status (narrow, <1 cm, or wide, ≥1 cm) and MVI (positive, +, or negative, -) on overall survival (OS) and recurrence-free survival (RFS) were analyzed.

Results

The 1-, 3-, and 5-year OS rates were 67.6%, 42.5%, and 33.2% in wide RM & MVI (-), 58.0%, 36.1%, and 26.5% in narrow RM & MVI (-), 51.0%, 27.0%, and 24.3% in wide RM & MVI (+), and 39.0%, 20.4% and 14.3% in narrow RM & MVI (+) (p < 0.001). Multivariate analysis showed that RM & MVI were independent risk factors for the OS and RFS.

Conclusion

Combined analysis of RM and MVI can better stratify the risks of postoperative death and recurrence in patients with HBV-related ICC, which may help subsequent adjuvant therapy and closer follow-up.