Table 1.
MRI protocols.
| Image acquisition parameter | Parameter values | |||
|---|---|---|---|---|
| FIESTA | T2WI | DWI | T1WI | |
| Acquisition plane | Coronal | Axial | Axial | Axial |
| Fat saturation | No | Yes | Yes | No |
| TR/TE (ms) | 3.63/1.82 | 2,000/96 | 4,600/63 | 75/2.38,4.79 |
| Angle (°) | 60 | 70 | 150 | 70 |
| Slice thickness (mm) | 5 | 6 | 6 | 6 |
| FOV (mm2) | 350 × 350 | 379 × 284 | 379 × 308 | 380 × 320 |
| Matrix | 512 × 460 | 384 × 202 | 192 × 128 | 320 × 189 |
| Voxel size (mm3) | 1.0 × 1.0 × 5.0 | 1.0 × 1.0 × 6.0 | 2.0 × 2.0 × 6.0 | 1.2 × 1.2 × 6.0 |
| Interslice gap | 10% | 10% | 10% | 10% |
| Delay (s) | ||||
| Scan time (s) | 12 | 165 | 97 | 69 |
| b-Value (s/mm2) | 0, 800 | |||
FIESTA, fast imaging employing steady-state acquisition; T2WI, T2-weighted imaging; DWI, diffusion-weighted imaging; T1WI, T1-weighted imaging; TR, repetition time; TE, echo time.