Table 2 MRI parameters
Parameters | Plain scan | DCE-THRIVE (enhanced imaging) | 3D coronal e-THRIVE | |||
|---|---|---|---|---|---|---|
T1-weighted imaging | T2-weighted imaging | Diffusion-weighted imaging | T2-weighted imaging | |||
Sequence | THRIVE | TSE | SE-EPI | TSE | dyn-THRIVE | e-THRIVE |
Scan direction | Transverse | Transverse | Transverse | Transverse | Transverse | Coronal |
Fold over direction | RL | RL | AP | RL | RL | RL |
Fat suppression | None | None | SPAIR | SPAIR | SPAIR | SPAIR |
TR/TE (ms) | 8.4/4.6 | 3506/80 | 4442/47 | 3733/80 | 6.9/3.4 | 7.0/3.4 |
Flip angle (°) | 12 | 90 | 90 | 90 | 12 | 12 |
Field of view (mm) | 340 × 340 | 340 × 340 | 340 × 210 | 340 × 340 | 380 × 340 | 240 × 420 |
Voxel size (mm) | 0.8 × 0.8 | 0.7 × 0.9 | 2.0 × 2.5 | 1.0 × 1.2 | 0.9 × 1.0 | 0.9 × 0.9 × 0.9 |
Slice thickness | 3.5 | 3.5 | 5.0 | 3.5 | 2.0 | 0.9 |
No. of slices | 80 | 40 | 24 | 40 | 85 | 180–210 |
TFE factor | 40 | 18 | 43 | 19 | 47 | 46 |
Acquisition time (s) | 99 | 98 | 102 | 134 | 45.5 | 133–154 |