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. 2018 Nov 16;10:1758835918809875. doi: 10.1177/1758835918809875

Figure 3.

Figure 3.

Dynamic contrast-enhanced magnetic resonance imaging and standardized index of shape analysis for a nonresponder patient.

Figure 3(a), (c) and (e) show DCE-MRI images and SIS analysis for a nonresponder patient with TRG 4 and ΔSIS = −75.19%. For the same patient, Figure 3(b) and (d) show the ADC map pre- and post-treatment. ΔADC value was 8.92%.

ADC, apparent diffusion coefficient; DCE, dynamic contrast enhanced; MRI, magnetic resonance imaging; SIS, standardized index of shape; TRG, tumour regression grade; MSD, maximum signal difference; ROI, region of interest; STD, standard deviation; TTP, time to peak; WII, wash in intercept; WIS, wash in slope; WOI, wash out intercept; WOI_WII, wash out intercept on wash in intercept rate; WOS, wash out slope; WOS_WIS, wash out slope on wash in slope rate.