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. 2019 Jan 29;10:8. doi: 10.1186/s13244-019-0690-1

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 12 — Two hepatic focal lesions after old RFA. a T2-WI shows a hypointense signal of the treated focal lesions. b Pre-contrast T1 fat-suppressed image shows the ablated HFLs with their bright signal due to coagulative necrosis. c Subtracted T1-WI arterial phase shows newly developed faint enhancement of the lesions. d DWI shows no true restriction corresponding to the enhancement. e Subtracted T1-WI arterial phase after a 3-month interval shows no enhancement of the lesions. Initial post-treatment assessment by LI-RADS v2018 is LR-TR equivocal that proved to be nonviable after a short-interval follow-up. DWI was consistent with LR-TR nonviable from the start with no restriction initially and on the follow-up (not shown)