Table 3.
Additional information of post-contrast three-dimensional (3D) MR images compared with post-contrast two-dimensional T1 weighted images for the conspicuity of leptomeningeal enhancement
| Pattern of enhancement with grade | 3D-T1-MPRAGE |
3D-T1-SPACE |
3D-T2-FLAIR |
|||
|---|---|---|---|---|---|---|
| Rad 1 | Rad 2 | Rad 1 | Rad 2 | Rad 1 | Rad 2 | |
| Gyral enhancement grade | ||||||
| 3 | 0 | 1 | 5 | 5 | 4 | 4 |
| 2 | 3 | 2 | 3 | 4 | 2 | 2 |
| 1 | 5 | 5 | 3 | 3 | 4 | 4 |
| 0 | 3 | 3 | 0 | 1 | 1 | 1 |
| Sulcal space enhancement grade | ||||||
| 3 | 2 | 2 | 17 | 19 | 14 | 13 |
| 2 | 8 | 9 | 4 | 2 | 5 | 6 |
| 1 | 5 | 5 | 1 | 1 | 6 | 6 |
| 0 | 11 | 10 | 0 | 0 | 1 | 1 |
| Basal cisterns enhancement grade | ||||||
| 3 | 2 | 2 | 7 | 7 | 10 | 11 |
| 2 | 0 | 0 | 4 | 3 | 6 | 6 |
| 1 | 7 | 5 | 2 | 2 | 2 | 1 |
| 0 | 9 | 11 | 5 | 6 | 0 | 0 |
| Dural enhancement grade | ||||||
| 3 | 3 | 3 | 10 | 11 | 7 | 8 |
| 2 | 4 | 4 | 2 | 1 | 3 | 2 |
| 1 | 3 | 3 | 0 | 0 | 1 | 1 |
| 0 | 2 | 2 | 0 | 0 | 0 | 0 |
FLAIR, 3D-T2 fluid-attenuated inversion recovery; MPRAGE, 3D-T1 magnetization-prepared rapid gradient-echo; SPACE, sampling perfection with application optimized contrast using different flip-angle evolutions.