Table 1.
Acquisition parameters.
| Contrast | Sequence | Details |
|---|---|---|
| T2 | HASTE | Acquired in axial, coronal, and sagittal; TR/TE 2000/101 ms; in-plane resolution 0.56 × 0.56 mm; slice thickness 4.8 mm |
| T2 (quantitative) | Multi-echo TSE axial | TR/TE1/TE2/TE3 10,580/27/122/189 ms; in-plane resolution 0.70 × 0.70 mm; slice thickness 2 mm |
| T1 | MPRAGE | TR/TE/TI 2100/3.18/1500 ms; resolution 1.3 × 1.25 × 1.25 mm |
| T1 | TSE axial | TR/TE 1490/12 ms; in-plane resolution 0.7 × 0.7 mm; slice thickness 2 mm |
| Perfusion | EPI axial | TR/TE/TI1/TI2 3427.5/21/700/1800 ms; in-plane resolution 4.0 × 4.0 mm; slice thickness 5 mm |
| Field map | GRE axial | TR/TE1/TE2 488/4.92/7.38 ms; in-plane resolution 2.5 × 2.5 mm; slice thickness 3.25 mm |
| Diffusion (DTI) | EPI axial | TR/TE 9500/130 ms; 30 directions; b = 1000 s/mm2; in-plane resolution 1.75 × 1.75 mm; slice thickness 2 mm |
| Diffusion (HARDI) | EPI axial | TR/TE 9500/130 ms; 64 directions; b = 2000 s/mm2; in-plane resolution 1.75 × 1.75 mm; slice thickness 2 mm |