Journal
JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
Volume 30, Issue 2, Pages 358-363Publisher
WILEY
DOI: 10.1111/jgh.12686
Keywords
Barcelona Clinic Liver Cancer (BCLC) intermediate stage; hepatocellular carcinoma (HCC); substage; survival
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Funding
- Chang Gung Memorial Hospital [CMRPG 8B1411]
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Background and AimBased on up-to-seven criteria and Child-Pugh score, four substages of Barcelona Clinic Liver Cancer (BCLC) intermediate hepatocellular carcinoma (HCC) were proposed. The purpose of this study was to validate and modify this proposal. MethodsBetween January 2002 and February 2011, newly diagnosed intermediate HCC patients underwent transarterial embolization (TAE) were enrolled. Patients were stratified into four (B1-B4) substages and followed up until death or end of 2012. Patients' survivals and discriminatory ability of substaging systems were compared. ResultsFive-hundred and eighty patients were enrolled. There were 56.6%, 33.8%, 7.4%, and 2.2% in substage B1, B2, B3, and B4. The 5-year survival rate was 21.4%, 13.9%, 7.4%, and 7.7% with median survival time of 2.4, 1.3, 0.5, and 0.8 years (P<0.001). In addition to substage B1-B4, -fetoprotein (AFP) level was an independent factor associated with survival in multivariate analysis. According to AFP < or >200ng/mL, B1 was classified into B1a and B1b, and B2 into B2a and B2b. There were no differences in survivals between B1b and B2a (P=0.174), and B2b and B3 (P=0.785). Patients were re-classified into modified (m)B1 (B1a), mB2 (B1b+B2a), mB3 (B2b+B3). The modified substages (mB1-mB3) showed a more desirable substaging system. ConclusionsFor BCLC intermediate HCC patients, substages B1-B4 were useful in predicting survival after TAE. However, modified substaging system provided better prognostic prediction.
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