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.