Table 1.
Scanning parameters of MRI.
| T2WI | T1WI | Multiple b-value DWI | |
|---|---|---|---|
| TR (ms) | 3315 | 4.24 | 1620 |
| TE (ms) | 90.2 | 1.13 | 69.6 |
| Slice thickness (mm) | 5 | 6 | 5 |
| Gap (mm) | 20 | 0 | 20 |
| FOV (mm) | 400×300 | 400×300 | 400×300 |
| Matrix | 320×70 | 320×70 | 128×100 |
| NEX | 2 | 1 | 1, 1, 2, 2, 4, 4, 6, 6, 8, 10 |
| b-values | – | – | 0, 25, 50, 100, 150, 200, 400, 600, 800, 1000, 1500, 2000s/mm2 |
| Orientation | Axia | Axia | Axia |
| Breath control | Breathing navigation | Breath-holding | Breathe freely |
| Scanning time | 2.26min | 14s | 5.15min |
DWI, diffusion-weighted imaging; FOV, field of view; NEX, number of excitations; T1WI, T1 weighted imaging; T2WI, T2 weighted imaging; TE, echo time; TR, repetition time.