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Fig. 3 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 3

From: The role of dynamic and diffusion MR imaging in therapeutic response assessment after microwave ablation of hepatocellular carcinoma using LI-RADS v2018 treatment response algorithm

Fig. 3

A 45-year-old male patient who underwent MWA for a left hepatic lobe HCC and imaged 1 month after the procedure. a Axial T2 WIs and b Axial T1 WIs showing the ablation zone within the left hepatic lobe elicits high T1 and low T2 signal (coagulation necrosis). c Diffusion-weighted images, and d ADC map show no evidence of diffusion restriction within or surrounding the ablation zone. e Axial T1 3D THRIVE during the arterial phase, f portal phase and g delayed phase showing perilesional ill-defined patchy enhancement during the arterial and portal phases along the lateral aspect of the ablation zone which is regressed in the delayed phase denoting expected posttreatment parenchymal enhancement. The center of the ablation zone is not enhancing (LR-TR nonviable)

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