期刊
CANCER MEDICINE
卷 12, 期 9, 页码 10294-10302出版社
WILEY
DOI: 10.1002/cam4.5758
关键词
early recurrence; hepatocellular carcinoma (HCC); microvascular invasion (MVI); transcatheter arterial chemoembolization (TACE)
类别
The definition of early recurrence for hepatocellular carcinoma (HCC) remains controversial. This study aimed to identify the early recurrence time for HCC and evaluate the efficacy of postoperative adjuvant TACE for HCC with MVI within this interval. The results showed that 13 months may be a reasonable early recurrence time point for HCC patients with MVI who underwent R0 resection, and within this interval, adjuvant TACE may result in longer survival.
Background Early and late recurrence of hepatocellular carcinoma (HCC) have different clinical outcomes, especially for those accompanied by microvascular invasion (MVI), but the definition of early recurrence remains controversial. Therefore, a reasonable identification of the early recurrence time for HCC is urgently needed.Methods Resected recurrence patients were enrolled and divided into two cohorts, one for identification of the early recurrence time and another for verification of the accuracy of the point. Univariable and multivariable Cox regression analyses were adopted to identify the prognostic factors of recurrence HCC (rHCC) and Kaplan-Meier method was applied to analyze the overall survival (OS). The appropriate cutoff value was determined by the exhaustive method using different recurrence intervals from 1 to 24 months in turn.Results In total, 292 resected rHCC patients were analyzed to calculate the early recurrence interval, and another 421 resected rHCC patients with MVI were enrolled to verify the efficacy of adjuvant transarterial chemoembolization (TACE) in this recurrence interval. MVI was identified as an independent risk factor by multivariable analysis. The OS of rHCC patients without MVI is better than that of patients with MVI when the recurrence time was within 13 months, while not beyond 13 months. The verification cohort demonstrated that adjuvant TACE provided longer survival for rHCC with MVI when the recurrence time was within 13 months, while not beyond 13 months.Conclusion For HCC patients with MVI who underwent R0 resection, 13 months may be a reasonable early recurrence time point, and within this interval, postoperative adjuvant TACE may result in longer survival compared with surgery alone.
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