Acquisition parameters of MR imaging sequences
| Segment | Sequence | Plane | FOV (mm) | Acquisition Matrix | Thickness (mm) | TR (ms) | TE (ms) | TI (ms) | No. of Signals Acquired | Acquisition Time (min:sec) | Parallel Imaging |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cervical | PSIR | Sagittal | 220 | 320 × 224 | 3 | 2400 | 9.4 | 400 | 2 | 4:45 | GRAPPA 2 |
| Cervical | STIR | Sagittal | 300 | 448 × 336 | 3 | 400 | 51 | 200 | 1 | 5:46 | GRAPPA 2 |
| Cervical | FSE PD | Sagittal | 220 | 320 × 288 | 3 | 2500 | 23 | 1 | 2:02 | None | |
| Cervical | FSE T2 | Sagittal | 220 | 384 × 307 | 3 | 3500 | 106 | 2 | 3:35 | None | |
| Cervical | GE T2 | Transverse | 180 | 256 × 218 | 3 | 740 | 17 | 2 | 4:25 | GRAPPA 2 | |
| Thoracic | PSIR | Sagittal | 330 | 384 × 269 | 3 | 2400 | 9.5 | 400 | 2 | 4:45 | GRAPPA 2 |
| Thoracic | STIR | Sagittal | 330 | 448 × 336 | 3 | 4000 | 50 | 200 | 1 | 5:46 | GRAPPA 2 |
| Thoracic | FSE PD | Sagittal | 330 | 320 × 288 | 3 | 2500 | 21 | 1 | 4:02 | None | |
| Thoracic | FSE T2 | Sagittal | 330 | 448 × 336 | 3 | 4000 | 96 | 1 | 4:26 | None | |
| Thoracic | FSE T2 | Transverse | 180 | 256 × 176 | 5 | 6780 | 107 | 2 | 4:46 | None |
Note:—GE indicates gradient-echo; PD, proton density; GRAPPA, generalized autocalibrating partially parallel acquisition.