Table 1 MRI sequences to be obtained during the study
Parameter | T1 | T2 | DWI (BLADE) |
|---|---|---|---|
Slice Orientation | Axial | Axial | Axial |
Field of View (mm) | 256 | 256 | 256 |
Voxel Size (mm) | 1 × 1 × 2 | 1 × 1 × 2 | 2 × 2 × 4 |
Recon Voxel Size (mm) | 0.5 × 0.5 × 1 | 0.5 × 0.5 × 2 | 2 × 2 × 4 |
Parallel Imaging | No | Yes; Factor 2 | No |
Slice number | 240 | 120 | 25 |
Fold-over Direction | AP | AP | N/A |
Slice Oversampling | 100% | No | No |
Shim | Auto | Auto | Auto |
Scan Mode | 3D | M2D | M2D |
Technique | GRE | SE | BLADE |
Fast Imaging Mode | No | TSE | TSE and EPI |
Echoes | 1 | 1 | 1 |
Flip Angle (deg) | 20 | 90 | 90 |
TR (ms) | 7.38 | 4800 | 5400 |
Echo Time (ms) | 4.77 | 80 | 50 |
Fat Suppression | No | No | Yes |
b-values (s/mm2) | N/A | N/A | 0, 800 |
NEX | 1 | 1 | 8 |
Geometry Correction | 3D | 2D | No |
Echo Train Length | 1 | 15 | 15 |
Percent Sampling (%) | 80 | 90 | 100 |
Pixel Bandwidth (Hz) | 400 | 300 | 1220 |
Scan Duration (min) | 6:05 | 4:48 | 7:08 |