Table 1.
MRI acquisition details
| Anatomy | Perfusion | Vasculature | |||
|---|---|---|---|---|---|
| Parameter | MP2RAGE | TSE T2w | ASL | TOF-MRA | |
| TR (ms) | 6,000 | 6,000 | 9,000 | 2,861 | 15 |
| TE (ms) | 1.88 | 3.98 | 105 | 14 | 3.59 |
| TI1/TI2 (ms) | 800/2,750 | 983/2,940 | 700/1,800 | ||
| FA1/FA2 () | 4/5 | 6/7 | 132 | 70 | 15 |
| GRAPPA | 4 (A-P) | 2 (A-P) | 2 (F-H) | 3 | 3 (F-H) |
| No. of slices | 192 | 72 | 50 | 32 | 220 |
| Slice direction | Sagittal | Sagittal | Coronal | Sagittal | Coronal |
| Field of view (mm) | 256×256 | 184×184 | 192×192 | 192×192 | 210×210 |
| Matrix size | 256×256×192 | 368×368×144 | 512×512×50 | 128×128× | 448×448×x440 |
| Resolution (mm) | 1×1×1 | 0.5×0.5×0.5 | 0.4×0.4×1 | 1.5×1.5×1.5 | 0.5×0.5×0.5 |
| Phase partial Fourier | 6/8 | Off | 6/8 | 6/8 | |
| Slice partial Fourier | Off | 6/8 | 6/8 | ||
| Bandwidth (Hz/px) | 250 | 140 | 90 | 1698 | 203 |
| Acquisition time (m:s) | 7:14 | 5:26 | 4:41 | 4:49 | 5:50 |
| Number of runs | 1 | 2 | 3 | 8 | 2 |
Total acquisition time 1:20:21 (h:m:s).
See SI Appendix, Fig. S9 for a schematic of the scanning order and positioning of the imaging slabs.