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Fig. 1 | Cancer Imaging

Fig. 1

From: Prediction of hepatocellular carcinoma response to 90Yttrium radioembolization using volumetric ADC histogram quantification: preliminary results

Fig. 1

63-year-old male patient with HCV cirrhosis and HCC treated with radioembolization (RE). Pre-treatment MRI: HCC (arrows) demonstrates restricted diffusion with high signal on high b value DWI (b 800) (a) and low ADC on ADC map (b). Post-treatment MRI at 6w post RE shows resolution of diffusion restriction on DWI (b 800) (c) with residual low ADC areas in tumor (d). Contrast-enhanced-T1weighted images obtained during the portal-venous phase at baseline (e) and 6 months (f) show complete tumor response at 6 months. Corresponding histogram distribution of vADC at baseline (blue, vADC median 1.08 × 10− 3 mm2/s, vADC mean 1.07 × 10− 3 mm2/s) and 6w after RE (red, vADC median 1.91 × 10− 3 mm2/s, vADC mean 1.89 × 10− 3 mm2/s, ΔvADC median 78%, ΔvADC mean 76%) shows a shift of the distribution to the right after RE (g)

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