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Article Abstract
Objectives: We used the status of microvascular invasion (MVI) at primary resection to help treatment selection for hepatitis B virus-positive (HBV+) recurrent hepatocellular carcinoma (rHCC) patients in Barcelona Clinic Liver Cancer (BCLC) stage B-C.
Methods: From 2009 to 2017, we enrolled 221 consecutive HBV+ rHCC patients at BCLC stage B-C who underwent re-resection (RR), radiofrequency ablation (RFA), or transarterial chemoembolization (TACE). Post recurrence survival (PRS) and overall survival (OS) were compared between RR/RFA and TACE according to MVI status. A one-to-one propensity score matching analysis was performed.
Results: For MVI(-) patients, the median PRS was 62.3 months for the RR/RFA group and 21.1 months for the TACE group (p = 0.039). The corresponding OS was 71.4 months and 26.6 months, respectively (p = 0.010). For MVI(+) patients, the median PRS in the RR/RFA group and TACE group was 14.7 months and 10.1 months (p = 0.115). The corresponding OS was 23.4 months and 16.4 months, respectively (p = 0.067). After matching, the dominance of RR/RFA over TACE remained in MVI(-) patients for both PRS (62.3 months vs 15.3 months, p = 0.019) and OS (98.1 months vs 33.4 months, p = 0.046). No significant difference was found in MVI(+) patients for either PRS (14.7 months vs 11.8 months, p = 0.593) or OS (23.4 months vs 28.1 months, p = 0.662).
Conclusions: MVI status definitely helps select treatment options in HBV+ rHCC patients. For MVI(-) patients, RR/RFA provided better survival than TACE while for MVI(+) patients, TACE shared similar survival outcomes.
Key Points: • This study aimed at the determination of the optimal treatment options (ablation /resection vs TACE) in case of recurrent HBV-related HCC. • It showed that MVI status, established at primary resection of HCC, was a powerful marker for selecting the best treatment option in these patients. • In MVI(-) patients, RR/RFA achieved a better survival than TACE. In MVI(+) patients, TACE shared similar survival.
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