Scanning parameters (3T)
| Pre- and Postcontrast T1 FSE | Pre- and Postcontrast 3D-FLAIR | 3D T2-SSFP | Delayed Postcontrast 3D-FLAIR | |
|---|---|---|---|---|
| Plane | Axial | Axial | Axial | Axial |
| TR (ms) | 500 | 6000 | 1500 | 7600 |
| TE (ms) | 10 | 350 | 194 | 345 |
| TI (ms) | / | 2350 | / | 2100 |
| Fat saturation | SPIR | SPIR | / | SPAIR |
| TSE factor | 3 | 182 | 40 | 100 |
| Flip angle | 90° | 90° | 90° | 90° |
| Slice thickness (mm) | 1.5 | 1 | 0.6 | 0.6 |
| Slices (no.) | 15 | 30 | 22 | 40 |
| FOV (mm2) | 180 × 160 | 230 × 190 | 140 × 140 | 200 × 255 |
| Matrix | 256 × 205 | 232 × 229 | 264 × 248 | 250 × 252 |
| Parallel imaging | No | Yes | No | Yes |
| Averages | 4 | 6 | 1 | 4 |
| Scan time | 2 min 51 sec | 10 min 6 sec | 6 min 35 sec | 9 min 15 sec |
Note:—SSFP indicates steady-state free precession; SPIR, spectral presaturation with inversion recovery; SPAIR, spectral attenuated inversion recovery; 3D FLAIR, Three dimensionally Fluid Attenuated Inversion Recovery; FSE, Fast spin echo; TR, time of repetition; TE, time of echo; TI, time of inversion; TSE, Turbo Spin-Echo; FOV, field of view; /, specific parameter is not available.