Table 1.
MRI parameters
| Sequence | T1W axial | T2W axial | T2W sagittal | T1W coronal | PDW coronal | STIR coronal | T1W-SEMAC coronal | PDW-SEMAC coronal | STIR-SEMAC coronal |
|---|---|---|---|---|---|---|---|---|---|
| TR (ms) | 684 | 3000 | 3000 | 833 | 3500 | 3000 | 833 | 3500 | 3000 |
| TE (ms) | 9.1 | 68 | 78 | 8.8 | 30 | 47 | 8.8 | 32 | 47 |
| TI (ms) | - | - | - | - | - | 160 | - | - | 160 |
| ETL | 39 | 29 | 34 | 35 | 13 | 42 | 35 | 21 | 42 |
| FOV (mm) | 360 | 360 | 360 | 420 | 400 | 400 | 420 | 400 | 400 |
| Slice thickness (mm) | 5 | 5 | 5 | 5 | 4 | 5 | 5 | 4 | 5 |
| Slices | 21 | 21 | 22 | 24 | 25 | 26 | 24 | 25 | 26 |
| Base resolution | 448 | 448 | 448 | 384 | 333 | 384 | 384 | 333 | 384 |
| NSA | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Bandwidth (Hz/Px) | 620 | 744 | 620 | 723 | 610 | 651 | 723 | 543 | 651 |
| Acquisition time (minutes) | 4:04 | 2:59 | 3:29 | 3:58 | 3:48 | 4:17 | 3:58 | 7:26 | 4:17 |
(TR – Repetition time; TE – Echo time; TI – Time to invert; ETL – echo train length; FOV – field of view; NSA – Number of signal average; ms – miliseconds; mm – milimeters; and Hz/Px – Hertz/Pixel).