Fig. 16
From: Assessment of hepatocellular carcinoma treatment response with LI-RADS: a pictorial review
Axial CT in late arterial phase obtained (a) pretreatment: image shows nonrim arterial phase hyperenhancement (APHE) of a 2.8-cm LR-5 observation in segment VIII (arrow) of a patient with prior left hepatectomy. b 6 weeks post microwave ablation (MWA): image shows hypodense cavity with peripheral thick nodular APHE (arrow). c 3 months post MWA: image shows thick nodular APHE (arrow). The treated observation is categorized LR-TR Viable