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MRI findings and prediction of time to progression of patients with hepatocellular carcinoma treated with drug-eluting bead transcatheter arterial chemoembolization
- MRI findings and prediction of time to progression of patients with hepatocellular carcinoma treated with drug-eluting bead transcatheter arterial chemoembolization
- Lee S.; Kim K.A.; Park M.-S.; Choi S.Y.
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- Journal of Korean Medical Science
- Journal of Korean Medical Science vol. 30, no. 7, pp. 965 - 973
- Carcinoma, hepatocellular; Drug-eluting beads; Magnetic resonance imaging; Subtraction image; Transcatheter arterial chemoembolization
- Korean Academy of Medical Science
- SCI; SCIE; SCOPUS; KCI
- Document Type
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- The purpose of this study was to investigate the utility of MRI findings after drug-eluting beads (DEB) - transcatheter arterial chemoembolization (TACE) for hepatocellular carcinoma in predicting time to progression (TTP). This study included 48 patients with 60 lesions who underwent liver MRI within 3 months after DEB-TACE. MRI was assessed for arterial enhancement pattern, late washout, arterioportal shunt, signal intensity on T2-weighted image, intratumoral septa, enhancing tissue on subtraction images, and treatment response. Cox-regression analysis was performed to identify independent factors to predict TTP. TTP was calculated using the Kaplan-Meier method with the log-rank test. Per lesion, 30 achieved complete remission, 22 had a partial response, and the remaining 8 lesions displayed stable disease on MRI. Arterial enhancement pattern, washout and enhancing tissue on subtraction images from MRI were associated with viable tumor on the last follow-up computerized tomography. Arterial enhancement, washout and enhancing tissue on subtraction images were significant predictors of TTP, but only enhancing tissue on subtraction images remained a significant predictor of TTP (P=0.018) in the multivariate analysis. TTP was longer in the group without enhancing tissue on subtraction images compared to the group with enhancing tissue (601 days vs. 287 days, P < 0.001). Enhancing tissue on subtraction images from MRI after DEB-TACE is predictive for longer TTP. © 2015 The Korean Academy of Medical Sciences.
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