Fig. 8
From: Assessment of hepatocellular carcinoma treatment response with LI-RADS: a pictorial review
a Axial T1-weighted MR in late arterial phase (AP) obtained pretreatment: image shows nonrim arterial phase hyperenhancement of a 2-cm LR-4 observation (arrow). b Axial-unenhanced CT MinIP obtained immediately post percutaneous ethanol ablation (PEA): image shows pneumobilia (arrowheads), ablation cavity, and needle trajectory (arrows). c Axial CT in late AP obtained 4 months post PEA: image shows no enhancement and cavity retraction (arrow). The treated observation is categorized LR-TR Nonviable