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. 2019 Dec 18;10:121. doi: 10.1186/s13244-019-0801-z

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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. 9 — Axial CT in late arterial phase (AP) obtained (a) pretreatment: image shows nonrim arterial phase hyperenhancement (APHE) of a 2-cm LR-4 observation in segment II-III (arrow). b 2 months post percutaneous ethanol ablation (PEA): image shows interval growth (arrow) and a new LR-4 observation (arrowhead) in segment VIII. At this point, the treated lesion is categorized LR-TR viable. c Axial T1-weighted subtraction MR in late AP obtained 1 month post repeat PEA: image shows serpiginous enhancement in the location of the treated lesion possibly representing vascular fistula. The treated observation is categorized LR-TR Equivocal