Table 1.
DWI sequence parameters
| SShot SE-EPI DWI b0, b500, b1000 | SShot SE-EPI DWI b2000 | |
|---|---|---|
| Field of View (FoV) | 240 × 240 x 165 mm3 | 240 × 240 x 165 mm3 |
| Acquired voxel size | 1.55 × 1.95 x 3.0 mm3 | 1.55 × 1.95 x 3.0 mm3 |
| Reconstructed voxel size | 0.9 × 0.9 x 3.0 mm3 | 0.9 × 0.9 x 3.0 mm3 |
| Number of slices | 50 | 50 |
| Repetition time (TR) | 6169 ms | 6793 ms |
| Echo time (TE) | 83 ms | 90 ms |
| Flip angle | 90° | 90° |
| EPI factor | 59 | 59 |
| SENSE factor | P reduction = 2 | P reduction = 2 |
| Number of signal averages (NSA) | b0 = 1, b500 = 2, b1000 = 5 | b2000 = 5 |
| Receiver bandwidth | 20.8 Hz/pixel | 20.8 Hz/pixel |
| Acquisition time (mm:ss) | 02:28 | 01:48 |
| Calculated b values | b1000, b1500, b2000, b2500 | – |