Abstract
Background and Aim
The aim of our study was to determine the predictors of recurrences in hepatocellular carcinoma (HCC) patients who had achieved complete remission (CR) by transarterial chemoembolization (TACE).
Methods
A total of 220 consecutive HCC patients who had achieved CR by TACE were followed for a median 72 months. CR was defined as complete lipiodol uptake based on the results of lipiodol-computed tomography 4 weeks after TACE and no additional tumor staining on the follow-up angiography. Recurrence patterns were classified as local recurrence and secondary tumor, respectively, in relation to the location of recurrence; early and late recurrence were classified in relation to recurrence time.
Results
Recurrence of HCC was observed in 169 patients (77 %), of whom 91 (54 %) had local recurrences, 61 (36 %) had secondary tumor, and 17 (10 %) had both. There were 45 (27 %) early and 124 (73 %) late recurrences. Local recurrence developed more frequently in patients with early recurrence than in those with late recurrence (62 vs. 51 %, respectively), while secondary tumor was detected more commonly in patients with late recurrence than in those with early recurrence (39 vs. 29 %, respectively; P < 0.001). In multivariate analyses, multinodularity [hazard ratio (HR) 2.351, P = 0.023] and a persistently high serum alpha-fetoprotein level following CR (HR 3.173, P < 0.001) were significant predictors of early recurrence. Older age (≥60 years; HR 1.531, P = 0.043), advanced Child–Pugh class (HR 1.983, P = 0.002), and the association with cirrhosis (HR 1.756, P = 0.028) were predictors of late recurrence following CR.
Conclusions
Early recurrences following CR by TACE may be due mainly to undetectable remaining tumors, whereas late recurrences may be caused by newly appearing tumors in patients with a background of advanced cirrhotic liver.
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Abbreviations
- AFP:
-
Alpha-fetoprotein
- CR:
-
Complete remission
- CT:
-
Computed tomography
- CTP:
-
Child–Turcotte–Pugh
- HCC:
-
Hepatocellular carcinoma
- LDCT:
-
Liver dynamic computed tomography
- MRI:
-
Magnetic resonance imaging
- TACE:
-
Transarterial chemoembolization
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Jin, YJ., Chung, YH., Kim, J.A. et al. Predisposing Factors of Hepatocellular Carcinoma Recurrence Following Complete Remission in Response to Transarterial Chemoembolization. Dig Dis Sci 58, 1758–1765 (2013). https://doi.org/10.1007/s10620-013-2562-8
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DOI: https://doi.org/10.1007/s10620-013-2562-8