Table 1.
Exemplary 3 T MR imaging parameters.
| Sequence | 2D IM-w TSE | 2D T2-w TSE | 2D IM-w TSE | 2D T1-w TSE |
|---|---|---|---|---|
| Additional features | FS, BLADE | FS, BLADE | DRIVE | |
| Plane | Sagittal | Transverse | Coronal | Coronal |
| Echo time (TE; ms) | 46 | 77 | 47 | 13 |
| Repetition time (TR; ms) | 4500 | 5360 | 4500 | 1000 |
| Field of view (FOV; mm) | 140 | 120 | 140 | 140 |
| Slice thickness (mm) | 3 | 3 | 3 | 3 |
| In-plane resolution (mm2) | 0.44 × 0.44 | 0.38 × 0.38 | 0.36 × 0.36 | 0.36 × 0.36 |
| Flip angle (°) | 90° | 90° | 90° | 90° |
| Number of slices | 22 | 25 | 24 | 22 |
| Receiver bandwidth (Hz/ pixel) | 182 | 147 | 181 | 171 |
| Echo train length | 9 | 15 | 9 | 3 |
| Phase encoding direction | AP | RL | RL | RL |
| Distance factor (%) | 10 | 20 | 10 | 10 |
| Acquisition time (min) | 5 : 08 | 3 : 57 | 5 : 48 | 4 : 04 |
FOV: field of view; w: weighted; TSE: turbo spin echo; IM: intermediate; fs: fat saturated; BLADE: motion correction with radial blades; DRIVE pulse: driven equilibrium pulse.