Table 1.
Protocol parameters of the acquisitions in all groups included in this study (group 1 and 2).
| Group 1a | |||||
|---|---|---|---|---|---|
| Group 1b and 2 | |||||
| T1w (FLASH) | T2w (TSE) | DWI (EP) | DCE (GRE) | T2 map (multi-echo spin-echo) | |
| TE (ms) | 2.03 | 108 | 95 | 1.07 | 10.5, 21.0, 31.5, 42.0, 52.5, 63.0, 73.5, 84.0 |
| TR (ms) | 250 | 3,000 | 6,500 | 3.02 | 4,980 |
| α (°) | 48.0 | 140 | 90 | 10 | 180 |
| # Slices | 40 (axial) | 40 (axial) | 29 (axial) | 31 (axial) | 30 (axial) |
| Thickness (mm) | 6 | 6 | 3 | 3 | 3 |
| Resolution (mm²) | 1.125 × 1.125 | 1.125 × 1.125 | 0.781 × 0.781 | 1.250 × 1.250 | 1.172 × 1.172 |
| FOV (mm2) | 225 × 360 | 292 × 360 | 200 × 200 | 160 × 160 | 300 × 300 |
| Temporal Res (s) | – | – | – | 20 | |
| b-value (s/mm2) | – | – | 50, 800, 1,400 | – | |
| Scan time (min) | 0.5 | 1.0 | 6.4 | 8.2 | ∼ 12.0 |
Conventional multiparametric MRI was acquired in all groups. Additional T1 mapping reference was acquired in group 1a.