Sequence Parameters | T1-TSE Axial | DE-TSE Axial | T2-TIRM Axial | T1-TSE Sagittal | T2-TIRM Sagittal |
---|---|---|---|---|---|
TR (ms) | 990 | 3000 | 5000 | 990 | 7670 |
TE (ms) | 15 | 12/69 | 76 | 15 | 76 |
TI (ms)a | – | – | 180 | – | 180 |
FOV (mm) | 170 × 170 | 170 × 170 | 170 × 170 | 188 × 250 | 188 × 250 |
Section thickness (mm) | 4.0 | 4.0 | 4.0 | 3.0 | 3.0 |
No. of sections | 8 | 8 | 8 | 9 | 9 |
Acceleration factor | Grappa/2 | Grappa/2 | Grappa/2 | Grappa/2 | Grappa/2 |
Turbo factor | 5 | 5 | 15 | 5 | 15 |
Averages | 2 | 2 | 2 | 2 | 2 |
Matrix | 256 × 320 | 358 × 448 | 307 × 384 | 192 × 320 | 230 × 384 |
Time | 1 min 00 s | 3 min 59 s | 2 min 07 s | 0 min 48 s | 1 min 26 s |
Echo-train spacing (mm) | 15.7 | 11.6 | 11.5 | 14.1 | 12.2 |
Bandwidth (Hz/pixel) | 233 | 143 | 181 | 233 | 181 |
a –indicates time-to-inversion.