Table 1.
Details of scanning protocol
| Sequence | Wfi3d-trig | T1WI | T2WI | SEM-DWI | APTWI |
|---|---|---|---|---|---|
| Type / Orientation | FSE /Axial | FSE /Axial | FSE /Axial | SS—EPI /Axial | FSE /Axial |
| Field of view (cm2) | 35 × 50 | 35 × 50 | 35 × 50 | 35 × 50 | 35 × 50 |
| Repetition time (ms) | 4.92 | 5.06 | 3315 | 1620 | 4500 |
| Echo time (ms) | 2.24 | 2.1 | 87.8 | 69.6 | 42.56 |
| Matrix | 192 × 192 | 303 × 456 | 264 × 480 | 202 × 256 | 128 × 100 |
| Slice thickness (mm) | 2 | 5 | 5 | 5 | 5 |
| Interval (mm) | 0 | 1 | 1 | 1 | 1 |
| Number of excitations | 2 | 2 | 2 | 1, 1, 2, 2, 4, 4, 6, 6, 8, 10 | 1 |
| b-values (s/mm2) | / | / | / | 0, 25, 50, 100, 150, 200, 400, 600, 800, 1000 | / |
| Fat suppression | No | No | Yes | Yes | No |
| Respiratory compensation | Yes | Yes | Yes | Yes | Yes |
| Scan time | 2 min 04 s | 14 s | 2 min 26 s | 3 min 38 s | 3 min 15 s (single slice) |
Wfi3d-trig 3D T1-weighted spoiled gradient-echo sequence with Dixon-based water-fat separation imaging, FSE Fast spin echo, SS-EPI Single Shot Echo Planar Imaging, T1WI T1-weighted imaging, T2WI T2-weighted imaging, SEM-DWI Stretch-exponential model diffusion-weighted imaging, APTWI Amide proton transfer-weighted imaging