Table 4.
Comparison between 3 and 7 T MRI’s combining all characteristic on T2 and FLAIR
| Patient | 2 | 3 | 4 | 6 | 7 | 8 | 10 | 11 | 7 T better:3 T better |
|---|---|---|---|---|---|---|---|---|---|
| Blurring T2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8/8:0/8 |
| Focal thickening T2 | Na | 0 | 1 | 1 | Na | 1 | 1 | 0 | 4/6:0/6 (na:2) |
| Focal increased intensity T2 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | −1 | 4/8:1/8 |
| Transmantle sign T2 | Na | 0 | Na | Na | Na | 0 | 1 | 1 | 2/4:0/4 (na:4) |
| Transition to normal cortex T2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 7/8:0/8 |
| Gyral pattern T2 | Na | Na | 1 | 1 | Na | Na | Na | Na | 2/2 (na:6) |
| Internal structure T2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8/8:0/8 |
| Blurring FLAIR | −1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 6/8:1/8 |
| Focal thickening FLAIR | Na | 0 | 1 | 1 | Na | 1 | 0 | 0 | 3/6:0/6 (na:2) |
| Focal increased intensity FLAIR | −1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 5/8:1/8 |
| Transmantle sign FLAIR | Na | 1 | Na | Na | 0 | 0 | 1 | 1 | 3/5:0/5 (na:3) |
| Transition to normal cortex FLAIR | −1 | 1 | 1 | 1 | 1 | 1 | 1 | W 7 T, G 3 T (1) | 6a/8:1a/8 |
| Gyral pattern FLAIR | Na | Na | 1 | 1 | Na | Na | Na | Na | 2/2:0/2 (na:6) |
| Internal structure FLAIR | Na | Na | 1 | 1 | 1 | 1 | 1 | 1 | 6/6:0/6 (na:2) |
| Total 7 T better than 3 T | 4/7 | 5/11 | 12/12 | 12/12 | 8/9 | 9/12 | 10/12 | 6/11a | |
| Total 3 T better than 7 T | 3/7 | 0/11 | 0/12 | 0/12 | 0/9 | 0/12 | 0/12 | 1/11a | |
| Total not applicable | 7 | 3 | 2 | 2 | 5 | 2 | 2 | 2a |
−1 3 T better than 7 T, 0 equally visible on 3 T and 7 T, 1 7 T better than 3 T, Na Not applicable as not visible on either 7 T or 3 T, W white matter, G gray matter
aExcluding patient 11 transition to normal cortex on FLAIR