Table 1.
MRI acquisition parameters1.
| Scanner | Pulse sequence | resolution (mm3) | TR (ms) | TE (ms) | TI (ms) | FA (°) | Field Strength (T) | |
|---|---|---|---|---|---|---|---|---|
| GE Discovery MR750 | IR-FSPGR | 1.0 x 1.0 × 1.0 | 8.2 | 3.2 | 450 | 12 | 3 | |
| Siemens SOLA | MPRAGE | 1.0 x 1.0 × 1.0 | 2300 | 2.6 | 900 | 8 | 1.5 | |
| Siemens Vida | MPRAGE | 1.0 x 1.0 × 1.0 | 2300 | 2.3 | 900 | 8 | 3 | |
| GE Discovery MR750 | FLAIR | 0.98 x 0.98 x 1.2 | 8000 | 129.1 | 2340 | − | 3 | |
| Siemens SOLA | FLAIR w/ T2-prep | 1.0 x 1.0 x 1.4 | 5000 | 388 | 1600 | − | 1.5 | |
| Siemens Vida | FLAIR w/ T2-prep | 1.0 × 1.0 x 1.0 | 5000 | 386 | 1650 | − | 3 |
1
IR-FSPGR=Inversion Recovery Fast SPoiled GRadient Echo, MPRAGE=Magnetization Prepared RApid Gradient Echo, FLAIR=FLuid Attenuated Inversion Recovery, TR=Repetition Time, TE=Echo Time, TI=Inversion Time, FA=Flip Angle.