Table 1.
Scan parameters of APTw sequence and of 2D T2w TSE sequence.
| 3D APTw sequence | 2D T2w TSE sequence | |
|---|---|---|
| FOV | 228 × 178 × 60 mm | 230 × 230 × 165 mm |
| Acquisition voxel | 1.8 × 1.8 × 6 mm | 0.6 × 0.6 × 3.5 mm |
| Reconstruction voxel | 0.9 × 0.9 × 6 mm | 0.45 × 0.45 × 3.5 mm |
| Reconstruction matrix | 256 | 512 |
| Slice thickness | 6 mm | 3.5 mm |
| SENSE factor | 1.6 | 1.5 |
| Scan mode | 3D spin echo | 2D multislice spin echo |
| Fast imaging mode | Turbo spin echo multishot | Turbo spin echo multishot |
| TSE factor, profile order | 174, linear | 30, linear |
| Rest slabs | 0 | 1 |
| MultiVane percentage | – | 160% |
| Flip angle (in degrees°) | 90° | 90° |
| TR and TE | TR 5,800–5,864 ms | TR 4,000 ms |
| TE 7.8–8.3 ms | TE 120 ms | |
| Fat suppression | SPIR | SPIR |
| APT | Saturation B1rms: 2 μT Saturation duration: 2 s Continuos saturation, 100% duty cycle | No |
| Numbers of acquisitions NSA | 1 | 1 |
| Scan duration | 03 min 42 s | 03 min |