Table 1. Details of the MRI protocol.
Scan parameters | T2-weighted TSE | T2-weighted TSE | Single-shot SE-EPI DWI with STIR |
Imaging plane | Coronal | Transverse | Transverse |
TR (ms) | 4350 | 3230 | 3400 |
TE (ms) | 118 | 98 | 78 |
Turbo factor | 13 | 16 | Epifactor 150 |
Echo spacing (ms) | 10.7 | 10.9 | 0.7 |
Bandwidth (Hz/pixel) | 201 | 222 | 1628 |
NSA | 2 | 2 | 6 |
B-value (s/mm2) | NA | NA | 0, 300, 1000 |
No. of slices | 26 | 48 | 26 |
FOV (mm) | 250 | 280 | 380 |
Matrix size | 256 | 512 | 192 |
Slice thickness (mm) | 3.0 | 4.0 | 4.0 |
Voxel size (mm) | 1.2×1.0×3.0 | 0.8×0.5×4.0 | 2.0×2.0×4.0 |
Acquisition time (minutes) | 02:08 | 04:23 | 03:14 |
DWI: diffusion-weighted imaging.
EPI: echo planar imaging.
FOV: field of view.
NA: not applicable.
NSA: number of signal averages.
SE: spin-echo.
STIR: short TI inversion recovery.
TSE: turbo spin-echo.