Table 4.
MRI general scanning parameters.
| Sequence | Orientation | Time | Slice (mm) | Gap | Slices | TR | TE | T1 | FOV (cm) | Frequency | Phase | Mode |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Res T1 | Sagittal | 7:23 | 1.2 | 0 | 160 | NA | Full min | 900 | 24 | 192 | 192 | 3D |
| T2 FLAIR | Axial | 4:36 | 4 | 0 | 36 | 11,000 | 147 | 2460 | 22 | 256 | 192 | 2D |
| DWI/ADC | Axial | 0:50 | 4 | 0 | 36 | 10,000 | Min | NA | 22 | 128 | 256 | 2D |
| 2D PC scout | Coronal | 1:33 | 90 | 0 | 1 | 40 | Min | NA | 22 | 256 | 224 | 2D |
| MRA Intra | Axial | 4:18 | 1.4 (0.7) | 0 | 3 × 32 | Min | Min | NA | 18 | 384 | 224 | 3D |
| Perfusion | Axial | 3:00 | 5 | 0 | Max for TR | 2225 | 60 | NA | 24 | 128 | 96 | 2D |
| GRE | Axial | 0:09 | 4 | 0 | 36 | 1700 | Full min | NA | 22 | 128 | 128 | 2D |
FLAIR: fluid attenuation inversion recovery; DWI: diffusion weighted imaging; MRA: magnetic resonance angiography; GRE: gradient echo; TR: repetition time; TE: echo time; ADC: apparent diffusion coefficient; FOV: field of view.