IVW MRI sequences and parameters at 3.0 T
| Parameters | 2D T2W | 2D T1W | 3D PD VISTA | 3D T2 VISTA |
|---|---|---|---|---|
| Echo time (ms) | 72 | 10 | 38 | 90 |
| Repetition time (ms) | 3550 | 1000 | 2000 | 3000 |
| Field of view (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 |
| Number of averages | 3 | 4 | 1 | 2 |
| TSE factor | 22 | 18 | 60 | 60 |
| Startup echoes | – | – | 4 | 4 |
| Acquisition time per slice (seconds) | 10.4 | 45 | – | – |
| Oversampling factor | – | – | 1.2 | 1.2 |
| # of slices | 26 | 4–10 | 90 | 70 |
| Bandwidth | 223 | 207 | 361.7 | 164.5 |
| Time | – | – | 8:30 | 8:51 |
2D T1W, two-dimensional T1-weighted; 2D T2W, two-dimensional T2-weighted; TSE, turbo spin-echo.