Table 1 Technical magnetic resonance imaging parameters
| Â | T2 STIR coronal | T2 STIR sagittal | T1 coronal | T1 sagittal | DWI coronal | DWI axial |
|---|---|---|---|---|---|---|
Number of slices | 24 | 24 | 24 | 24 | 24 | 36 |
FOV | 400 | 420 | 500 | 420 | 400 | 500 |
Thickness (mm) | 3 | 5 | 3 | 5 | 3 | 7 |
TR (ms) | 8600 | 8600 | 476 | 380 | 5200 | 7800 |
TE (ms) | 60 | 60 | 9.3 | 10 | 106 | 71 |
TI (ms) | 170 | 160 | Â | Â | 180 | 160 |
Image matrix | 290 × 310 | 290 × 310 | 384 × 234 | 320 × 265 | 128 × 128 | 265 × 205 |
Number of excitations | 4 | 4 | 4 | 4 | 4 | 3 |
b values (mm2/s) | Â | Â | Â | Â | 0/1000 | 0/1000 |
Acquisition time (s) | 3 | 2.5 | 3 | 2.5 | 4 | 3 |