TABLE 1.
Imaging Parameters for the MRI Sequences
| SPGR | PDW | |
|---|---|---|
| Repetition time (msec) | 20 | 1000 |
| Echo time (msec) | 1st: 7 | 35 |
| 2nd: 13.8 | ||
| Flip angles (°) | 35 | 90 |
| Echo train length | (−) | 32 |
| Acquisition voxel size (mm) | 0.6 × 0.6 × 0.6 | 0.6 × 0.6 × 0.6 |
| Reconstruction matrix size (mm) | 0.3 × 0.3 × 0.3 | 0.3 × 0.3 × 0.3 |
| No. of sections | 320 | 320 |
| Slice thickness (mm) | 0.3 | 0.3 |
| Slice gap (mm) | 0 | 0 |
| Field of view (mm × mm) | 150 × 150 | 150 × 150 |
| WFS/BW (pix/Hz) | 2.002/217.0 | 0.836/519.4 |
| Number of excitations | 1 | 1 |
| Total examination time | 7 min 30 sec | 7 min 10 sec |
SPGR = fat‐suppressed spoiled gradient echo; PDW = proton density weighted; WFS/BW = actual waterfat shift/bandwidth; MRI = magnetic resonance imaging.