Table 3.
MR acquisition protocol.
S. No. | Protocol | TR (ms) | TE (ms) | TI (ms) | Slice thickness (mm) | FOV (mm) | Matrix | Time (minutes) |
---|---|---|---|---|---|---|---|---|
1 | T1 axial | 2000 | 12 | 859 | 4.0 | 179 × 220 | 195 × 320 | 1.58 |
2 | T2 axial | 5870 | 99 | 4.0 | 179 × 220 | 250 × 512 | 1.41 | |
3 | FLAIR axial | 9000 | 81 | 2500 | 4.0 | 172 × 220 | 175 × 320 | 2.44 |
4 | FLAIR coronal | 9000 | 81 | 2500 | 4.5 | 172 × 220 | 175 × 320 | 2.26 |
5 | T2 sagittal | 4550 | 87 | 4.0 | 220 × 220 | 288 × 384 | 1.28 | |
6 | SWI | 28 | 20 | 1.5 | 193 × 220 | 179 × 256 | 2.50 | |
7 | 3D MPRAGE | 1900 | 2.49 | 900 | 0.90 | 210 × 240 | 224 × 256 | 3.55 |
8 | rfMRI | 2000 | 30 | 5.0 | 240 × 240 | 64 × 64 | 6.83 |
MR: magnetic resonance; TR: repetition time; TE: echo time; TI: inversion time; FOV: field of view; FLAIR: fluid attenuation inversion recovery sequence; SWI: susceptibility weighted imaging; MPRAGE: magnetisation prepared rapid acquisition gradient echo; rfMRI: resting-state functional magnetic resonance imaging.