Table 1 Modified Dallas Classification [16]
Grade | Grade Description |
|---|---|
0 | Contrast is within the nucleus |
1 | Extravasation in the inner 1/3 of the annulus |
2 | Extravasation in the middle 1/3 of the annulus |
3 | Extravasation in the outer 1/3 of the annulus |
4 | More than 30 degrees of annular circumference |
5 | Extra-annular contrast |