Table 1.
MRI sequences and parameters
| Parameter | T2WI HASTE | MT GRE | DWI SE-EPI | VIBE |
|---|---|---|---|---|
| Orientation | 2D axial | 2D axial | 2D axial | 3D coronal |
| Acquisition Matrix | 320×224 | 256×205 | 190×190 | 320×240 |
| Flip angle (°) | 160 | 30 | 90 | 13 |
| Slice thickness (mm) | 4 | 4 | 4 | 2 |
| Echo time (msec) | 86 | 2.81 | 71.2 | 1.34 |
| Repetition time (msec) | 800 | 230 | 5300 | 4.37 |
| Averages | 1 | 1 | 3 | 1 |
| Number of slices | 28 | 10 | 28 | 80 |
| Respiratory control | BH | BH | Free-Breathing | BH |
| b factors (sec/mm2) | 50, 400, 800 | |||
| Acquisition time (sec) | 24 | 30 | 159 | 28 |
T2WI: T2-weighted imaging; HASTE, half-Fourier acquisition single-shot turbo spin echo; MT, magnetization transfer; GRE, gradient-echo; DWI, diffusion-weighted MRI; SE-EPI, spin-echo echo-planar imaging; VIBE, volumetric interpolated breath-hold examination; 2D, two-dimension; 3D, three-dimension; BH, breath hold