Table 3.
Details of parameters used in magnetic resonance imaging sequences.
| Type of acquisition | T2 SSFSEa coronal | T2 SSFSa axial | T1 opposed-phase LAVAb axial | T1 in-phase LAVAb axial | T1 FS LAVAc coronal | T1 FS LAVAc axial |
|---|---|---|---|---|---|---|
| TR (ms) | 1074 | 1400 | 4 | 4 | 4 | 4 |
| TE (ms) | 70 | 70 | 1.2 | 2.4 | 1.8 | 1.8 |
| FOV | 400 × 400 | 400 × 400 | 360 × 360 | 360 × 360 | 360 × 360 | 360 × 360 |
| Matrix size | 288 × 192 | 288 × 192 | 264 × 256 | 264 × 256 | 272 × 192 | 264 × 256 |
| Slice thickness (mm) | 6 | 6 | 3 | 3 | 1.5 | 3 |
| Pixel band width (Hz/pixel) | 244 | 244 | 558 | 558 | 558 | 558 |
| Acquisition mode | 2D | 2D | 3D | 3D | 3D | 3D |
| Flip angle (°) | 90 | 90 | 10 | 10 | 10 | 10 |
| Voxel size | 1.4 × 2.1 × 6 | 1.4 × 2.1 × 6 | 1.4 × 1.4 × 3 | 1.4 × 1.4 × 3 | 1.4 × 1.4 × 1.5 | 1.4 × 1.4 × 3 |
FOV field of view, TE echo time, TR repetition time.
aSingle-shot fast spin echo sequence.
bGradient-recalled echo sequence (liver acquisition with volume acceleration sequence).
cFat-suppression gradient-recalled echo sequence (liver acquisition with volume acceleration sequence).