TABLE 1.
Scan parameters of the two MP2RAGE sequences, which yielded the T1 maps, and the sequence parameters of the dynamic perfusion sequence
| Precontrast MP2RAGE | Postcontrast MP2RAGE | Dynamic perfusion scan | |
|---|---|---|---|
| TR/TE (ms) | 5000/2.47 | 4000/2.32 | 3.7/1.3 |
| TI1/TI2 (ms) | 900/2750 | 900/2200 | N/A |
| α1/α2 (degrees) | 5/3 | 4/5 | 6.5 |
| Voxel size (mm3) | 0.7 × 0.7 × 0.7 | 1.2 × 1.2 × 1.2 | 2.0 × 2.0 × 2.0 |
| FOV (mm3) | 168 × 224 × 224 | 192 × 230 × 230 | 192 × 192 × 32 |
| Total acquisition time (minutes) | 8:00 | 4:16 | 2:47 |
| GRAPPA factor | 3 | 3 | 3 |
| Partial Fourier | 6/8 | 6/8 | 6/8 |
| Number of volumes | 1 | 1 | 90 |
| Time interval (seconds) | N/A | N/A | 1.86 |