Table 1.
Parameters used in DWI acquisition.
MR scanners | Skyra | Trio | Avanto |
---|---|---|---|
Repetition time (ms) | 5200 | 3100 | 3800 |
Echo time (ms) | 80 | 99 | 102 |
Flip angle (°) | 150 | 120 | 150 |
Number of excitations | 1 | 1 | 3 |
Field of view (mm2) | 240 × 240 | 200 × 200 | 240 × 240 |
Matrix size | 130 × 130 | 132 × 132 | 192 × 192 |
Slice thickness (mm) | 5 | 6 | 5 |
Slice spacing (mm) | 1.5 | 1.8 | 1.5 |
Number of slices | 21 | 17 | 21 |