Table 1.
Sequence parameters of axial and coronal diffusion‐weighted imaging (DWI) at the department's MRI scanners
| DWI Sequence | Parameters | MRI scanner | ||
|---|---|---|---|---|
| 1.5‐T Siemens Sonata | 1.5‐T Siemens Avanto | 3‐T Siemens Trio | ||
| Axial | FOV | 230 × 230 | 230 × 230 | 230 × 230 |
| Matrix | 128 × 128 | 192 × 192 | 192 × 192 | |
| ST | 5 | 5 | 5 | |
| Number of slices | 24 | 24 | 24 | |
| TR | 4,400 | 4,000 | 4,000 | |
| TE | 101 | 96 | 91 | |
| b Values | 0, 1,000 | 0, 1,000 | 0, 1,000 | |
| Coronal | FOV | 240 × 195 | 230 × 230 | 230 × 230 |
| Matrix | 128 × 128 | 192 × 192 | 128 × 128 | |
| ST | 3 | 3 | 3 | |
| Number of slices | 20 | 20 | 20 | |
| TR | 3,300 | 3,400 | 3,600 | |
| TE | 101 | 96 | 107 | |
| b Values | 0, 1,000 | 0, 1,000 | 0, 1,000 | |
FOV, field of view (mm × mm); ST, slice thickness (mm); TR, repetition time (ms); TE, echo time (ms), b values (s/mm2).