Table 1.
Parameter | Axial T2 2D FSE | Sagittal T2 3D FSE | EPI-2D DWI |
---|---|---|---|
TR/TE (ms) | 3663/102 | 3000/117 | 3775/70 |
Flip angle (°) | 111 | 160 | 90 |
ETL length | 16 | 90 | 1 |
Averages | 3 | 2 | 6 |
b value | N/A | N/A | 150, 750, 1000, 1400 |
Section thickness (mm) | 3 | 1 | 3 |
Section gap (mm) | 0 | 0 | 0 |
FOV (mm) | 220 | 220 | 280 |
Resolution (mm) | 0.85 × 0.57 | 1.0 × 0.8 | 2.2 × 2.2 |
Acquisition time (min) | 6:07 | 3:13 | 02:42 |
FSE fast spin echo, EPI echo planar imaging, DWI diffusion-weighted imaging, FOV field of view, ETL echo train length