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Table 2 Evaluation methods for VI-RADS based on biparametric MRI

From: Evaluating biparametric MRI for diagnosing muscle-invasive bladder cancer with variant urothelial histology: a multicenter study

T2WI score

DWI score

VI-RADS based on biparametric MRI

bp-DWI

bp-T2WI

1

1

1

1

2

2

2

2

3

2

2

3

3

3

3

3

3

4

4

4

4

3

4

4

4

4

4

4

5

3

4

4

5

4

4

4

5

5

5

5

  1. T2WI: T2-weighted images; DWI: diffusion-weighted imaging; DCE: dynamic contrast-enhanced; VI-RADS: Vesical Imaging-Reporting and Data System