Table 3 Overview of MRI pulse sequences and key imaging parameters.
Technique | 3D T1 BRAVO | Pre/Post 3D T1 CUBE/SPACE | 3D FLAIR |
|---|---|---|---|
Hospital A data | |||
TR (ms)a | 12.02/8.24 | 550/602 | 6000 |
TE (ms)a | 5.05/3.24 | 9.54/12.72 | 119/136 |
Flip anglea | 20/13 | 90 | 90 |
FOV (mm2) | 240 × 240 | 250 × 250 | 240 × 240 |
Inversion time (ms)a | 300/400 | – | 1880/1700 |
Acquisition matrix | 256 × 256 | 256 × 256 | 256 × 256 |
Slice thickness (mm) | 1 | 1 | 1–1.6 |
# of slices | 160 | 270–320 | 270–320 |
Slice acquisition plane | Axial | Sagittal | Sagittal |
Hospital B datab | |||
TR (ms) | – | 700 | 5000 |
TE (ms) | – | 12 | 387 |
Flip angle | – | 120 | 120 |
FOV (mm2) | – | 230 × 230 | 230 × 230 |
Inversion time (ms) | – | – | 1800 |
Acquisition matrix | – | 256 × 256 | 256 × 256 |
Slice thickness (mm) | – | 0.9 | 0.9 |
# of slices | – | 192 | 208 |
Slice acquisition plane | – | Sagittal | Sagittal |
