Comparison of portal and capsular microscopic vascular invasion in the outcomes of early HCC after curative resection

Ding-Sen Huang, Ting-Ting Liu, Wei-Ting Lu, Chih-Chi Wang, Chih-Che Lin, Chee-Chen Yong, Kuang-Den Chen, Yueh-Wei Liu, Yuan-Hung Kuo, Yi-Hao Yen, Tsung-Hui Hu, Ming-Chao Tsai

研究成果: 期刊稿件文章同行評審

摘要

Microscopic vascular invasion (MVI) is a strong risk factor associated with tumor recurrence and poor overall survival (OS) among hepatocellular carcinoma (HCC) patients after resection. Two types of MVI are identified: portal vein and capsular vein invasion. However, little is known about the impact of different types of MVI on HCC recurrence. The present study aimed to compare HCC recurrence and OS between the portal vein and capsule vein MVI. Patients with Barcelona Clinic Liver Cancer (BCLC) stage 0 or A HCC who underwent primary resection between January 2001 and June 2016 were consecutively recruited. Factors that influenced OS and recurrence-free survival (RFS) were analyzed using Cox proportional hazards models. Of the 857 eligible patients, 327 (38.2%) had MVI, and 530 (61.8%) were without MVI. Of the 327 patients with MVI, 85 (26.0%) were with portal vein, 178 (54.4%) with capsular vein, and 64 (19.6%) with both-MVI type. Patients with both-MVI type suffered from a higher proportion of BCLC stage A (P < 0.001), capsular invasion (P = 0.002), and satellite nodules (P < 0.001). Both-MVI type is an independent risk factor for HCC recurrence (hazard ratio [HR]: 1.69; 95% CI, 1.22-2.36, P = 0.002) and mortality (HR: 2.29; 95% CI, 1.59-3.29, P < 0.001) compared with non-MVI. We further found that both-MVI type was significantly associated with a higher risk of extrahepatic recurrence (EHR) (HR: 8.74; 95% CI, 2.38-32.03, P = 0.001). Among HCC patients after curative resection, concurrent portal and capsular MVI is a risk factor for HCC recurrence, especially for EHR, in comparison with non-MVI or only portal or capsular MVI alone.
原文美式英語
頁(從 - 到)2659-2672
期刊American Journal of Cancer Research
12
發行號6
出版狀態已出版 - 2022

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