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Fig. 3 | Cancer Imaging

Fig. 3

From: Prostate MRI based on PI-RADS version 2: how we review and report

Fig. 3

The predominant sequence is DWI in the peripheral zone and T2w sequence in the transition zone. In case of PI-RADS assessment category 3 in the peripheral zone DCE-MRI determines the final PI-RADS assessment category and in PI-RADS assessment category 3 in the transition zone DWI determines the final PI-RADS assessment category. When image quality is compromised and DCE-MRI is inadequate for the assessment of the peripheral zone in PI-RADS assessment category 3 the PI-RADS score is defined by DWI alone. If DWI is not adequate PI-RADS™ v2 guidelines advice use of T2w sequence for both, the peripheral zone and for the transition zone. If both DWI and DCE-MRI are inadequate or not available, assessment should be limited to staging for determination of EPE [11]

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