MR sequence parameters
| Sequence Parameter | 1.5T | 7T |
|---|---|---|
| TR (ms) | 25 | 20.0 |
| TE (ms) | 35 | 2.5/15.0 |
| Flip angle (°) | 10 | 16–24 (variation over slab) |
| Bandwidth (Hz/pixel) | 100 | 203 |
| Matrix size | 276 × 226 | 508 × 399 |
| Parallel imaging | Yes (acceleration factor = 1.8) | Yes (acceleration factor = 2.5) |
| Flow compensation | No | Yes |
| Section thickness (mm) | 0.8 | 0.6 |
| Gap (mm) | None | None |
| No. of sections | 125 | 167 |
| Acquired voxel size (mm) | 0.8 × 0.8 × 0.8 | 0.35 × 0.4 × 0.6 |
| Interpolated voxel size (mm) | 0.43 × 0.43 × 0.4 | 0.35 × 0.35 × 0.3 |
| Acquisition time | 6 min 56 s | 8 min 50 s |