Table 1 Imaging parameters of imaging sequences used in this study
Measurement | TR (ms) | TE (ms) | Matrix size | In-plane resolution (mm3) | FA (°) | Slice thickness (mm) | Inversion Time (ms) | Number of projections | Pulse duration (ms) | Acquisition time (min:s) |
|---|---|---|---|---|---|---|---|---|---|---|
B0 mapping | 139 | 0.60/1.60 | 128 × 128 | 4.0 × 4.0 | 90 | 4.0 | / | 4000 | 1.0 | 9:16 |
B1+ mapping | 150 | 1.0 | 128 × 128 | 4.0 × 4.0 | 90 | 4.0 | / | 4000 | 2.0 | 10:00 |
T1 relaxation time | 253–370 | 0.80 | 128 × 128 | 6.5 × 6.5 | 90 | 6.5 | 3.0–120 | 2600 | 1.5 | 64:03 |
T2* relaxation time | 65 | 0.4–50.0 | 128 × 128 | 5.8 × 5.8 | 90 | 5.8 | / | 9000 | 0.68 | 48:45 |
Proton imaging | 9.32 | 2.55 | 320 × 320 | 0.5 × 0.5 | 20 | 1.0 | / | / | / | 3:08 |
Sodium imaging | 100 | 0.55 | 128 × 128 | 2.5 × 2.5 | 90 | 2.5 | / | 10,000 | 0.5 | 16:40 |