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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: The role of functional imaging; DWI, ADC and 18F-FDG PET/CT in the evaluation of HCC treatment response after transarterial chemoembolization

Fig. 5

57 years old male patient underwent TACE. Diffusion restriction in TR-LR viable lesion with no PET/CT uptake. A–D Pre-contrast (A), arterial (B), venous (C) and delayed (D) phases of triphasic CT showing a large exophytic lesion with heterogeneous lipiodol concentration. The anterior portion of the lesion shows residual viable enhancement in the arterial phase with enhancing artery (red arrow) and washout of the contrast in the venous and delayed phases. E–G Fused PET/CT images showed mild increased FDG uptake with SUV ratio measuring 1.06 (tumor SUV max is 2.66 and the liver SUV mean is 2.75 (SUV ratio is 0.96). H, I DWI (H) and ADC (I) show restricted diffusion in the viable lesion with ADC value measuring 0.89 × 10−3 mm2/s

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