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. 2017 Mar-Apr;50(2):115–125. doi: 10.1590/0100-3984.2015.0140

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This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Recurrence of HCC treated by radiofrequency ablation. Axial fat-suppressed SS-FSE T2-WI (A), axial pre- (B) and post-contrast fat-suppressed 3D-GRE T1-WI in the arterial (C) and interstitial (D) phases. A treated area is seen at the right lobe (arrow, A,B), showing iso-signal intensity on T2-WI (A) and a partial/ interrupted rim of high-signal intensity on pre-contrast T1-WI (B). On the dynamic postcontrast images, progressive peripheral nodular enhancement is evident (arrows, C,D). These features are consistent with recurrence of disease.