Prognostic Value and Preoperative Predictors of Microvascular Invasion in Solitary Hepatocellular Carcinoma ≤ 5 Cm Without Macrovascular Invasion

Overview

Journal Oncotarget

Specialty Oncology

Date 2017 Oct 6

PMID 28977857

Citations 17

Authors

Hui Zhao

Ye Hua

Zhihua Lu

Shen Gu

Laifa Zhu

Yuan Ji

Yudong Qiu

Tu Dai

Huihan Jin

Affiliations

Soon will be listed here.

Abstract

Objectives: The aim of this study was to investigate the prognostic value and preoperative predictors of microvascular invasion (MVI) in solitary hepatocellular carcinoma (HCC) ≤ 5 cm without macrovascular invasion.

Methods: A total of 233 consecutive HCC patients underwent curative hepatectomy were included in our study. Independent risk factors influencing the prognosis were identified, and preoperative predictors for MVI were determined.

Results: Multivariate regression analysis identified ICG-R15, BCLC staging and MVI as independent risk factors for the overall survival rate. Type of resection and MVI were independent risk factors for the recurrence-free survival rate. Kaplan-Meier analysis showed the overall survival and recurrence-free survival rates in patients with MVI were significantly poorer than those in patients without MVI ( = 0.002 and = 0.001). Anatomical resection obviously improved the overall survival and recurrence-free survival rates in patients with MVI compared with non-anatomical resection ( = 0.017 and = 0.009). A prediction scoring system for MVI was built up according to the three independent predictors (tumor size > 3.5 cm, AFP > 200 ng/mL and GGT > 53 U/L). The prevalence of MVI in HCC patients with predictive score ≥ 2 was 58.3%, which was obviously higher than patients with predictive score < 2 (20.8%).

Conclusions: MVI is associated with a poor prognosis in solitary HCC ≤ 5 cm after hepatectomy. Anatomical resection could improve the prognosis of HCC patients with MVI. The preoperative prediction scoring model has practical value for the prediction of MVI.

Citing Articles

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