Table 2.
MRI sequence parameters.
| T2-weighted | IVIM | DCE | |
|---|---|---|---|
| Sequence type | 3D-TSE | ss-EPI | 3D-FFE |
| Field of view (mm3) | 400 x 448 x 250 | 430 x 430 x 60 | 220 x 251 x 60 |
| Acquired voxel size (mm3) | 1.2 x 1.2 x 1.2 | 3.98 x 3.98 x 4.00 | 2.62 x 2.62 x 7.00 |
| Reconstructed voxel size (mm3) | 0.57 x 0.57 x 1.2 | 1.92 x 1.92 x 4.00 | 1.57 x 1.57 x 3.50 |
| Flip angle (°) | 90 | 90 | 35 |
| TR/TE (ms) | 1300/129 | 2960/82 | 4.0/1.9 |
| Fat suppression | – | SPAIR | – |
| Parallel imaging (SENSE) factor | 3.5 | 2.3 | 2 |
| Acceleration factor | 110 | 47 | – |
| b-values (averages) (s/mm2) | – | 0 (8), 30 (8), 150 (8), 500 (16) | – |
| Phase encoding bandwidth (Hz/pixel) | – | 32.9 | – |
| Gradient timings Δ/δ (ms) | – | 41.1/20.0 | – |
| Dynamic scan time (s) | – | – | 2.8 |
| Number of dynamics | – | – | 110 |
| NSA | 2 | 1 | 1 |
| Acquisition time (m:ss) | 5:48 | 5:11 | 5:04 |