High-resolution MRI sequences and parameters at 3.0T
| Parameters | 2D T2W | 2D T1W | 3D PD VISTA | 3D T2 VISTA |
|---|---|---|---|---|
| TE (ms) | 72 | 10 | 38 | 90 |
| TR (ms) | 3550 | 1000 | 2000 | 3000 |
| FOV (cm) | 18×18 | 18×15.8 | 18×16.5 | 25×19 |
| Matrix | 448×448 | 448×448 | 448×413 | 500×380 |
| Slice thickness (mm) | 1 | 2 | 0.4 | 0.5 |
| In-plane resolution (mm) | 0.4×0.4 | 0.4×0.35 | 0.4×0.4 | 0.5×0.5 |
| NA | 3 | 4 | 1 | 2 |
| Acquisition time per slice (s) | 10.4 | 45 | – | 60 |
| Oversampling factor | – | – | 1.2 | 4 |
| No of slices | 26 | 4–10 | 90 | – |
| Band width | 223 | 207 | 361.7 | 1.2 |
| TSE factor | 22 | 18 | 60 | 67 |
| Start-up echoes | – | – | 4 | 164 |
| Typical sequence time | 4:30 (26 slices) | 7:30 (10 slices) | 8:30 | 8:51 |
FOV, field of view; PD, proton density; TE, echo time; TR, repetition time; TSE, turbo spin echo; T1W/T2W, T1-/T2-weighted.