Table 1.
Scan sequences of T1 and T2 weighted turbo spin echo (TSE)
| Parameters | Sagittal T2 weighted TSE | Axial T2 weighted TSE | Coronal T2 weighted TSE | Axial T1 weighted TSE |
|---|---|---|---|---|
| TR/TE | 3000/90 ms | 3000/90 ms | 3000/90 ms | Shortest/10 ms |
| FOV (AP × RL × FH) (mm) | 200 × 89 × 200 | 200 × 200 × 118 | 109 × 200 × 200 | 200 × 200 × 118 |
| Voxel size (AP)/gap (mm) | 0.75/1.0 | 0.75/0.5 | 0.75/1.0 | 0.75/0.5 |
| Slice thickness (mm) | 3 | 3 | 3 | 3 |
| Recon voxel size (mm) | 0.45 | 0.45 | 0.45 | 0.45 |
| TSE factor | 25 | 25 | 25 | 10 |
| Flip angle | 90 | 90 | 90 | 90 |
| NSA | 2 | 2 | 3 | 2 |
| Total scan duration | 2 min 6 s | 2 min 32 s | 3 min 9 s | 4 min 38 s |
AP, anteroposterior; FH, foot-to-head; FOV, field of view; NSA, number of signal averaged; RL, right-to-left; TE, echo time; TR, repetition time.