Sequence parameters | STIR | EPI-DWI head | EPI-DWI | T1 VIBE CE | T1 VIBE head CE |
---|---|---|---|---|---|
Echo Time [ms] | 105 | 76 | 76 | 2.38 | 10 |
Repetition time [ms] | 5220 | 3900 | 5300 | 5.46 | 450** |
FoV read [mm] | 500 | 379 | 459 | 500 | 230 |
FoV phase | 100% | 100% | 100% | 68.75% | 87.50% |
Matrix | 512 × 512 | 192 × 192 | 192 × 192 | 320 × 320 | 256 × 202 |
In plane resolution [mm2] | 0.98 × 0.98 | 1.97 × 1.97 | 2.39 × 2.39 | 1.56 × 1.07 | 0.90 × 1.0 |
Slice thickness [mm] | 6 | 4 | 5 | 3 | 5 |
Orientation | coronal | axial | coronal | axial | axial |
Merged stacks | 4 | 1 | 4 | 8* | 1 |
Range | head to tow | head | head to tow | skull base to tow | head |
Bandwidth [Hz/px] | 181 | 1628 | 1628 | 260 | 90 |
b-values [s/mm2] | – | 50/400/800 | 50/400/800 | – | – |
Averages | 2 | 2 | 3 | 1 | 1 |