Table 1.
Specifications of MRI sequences in the UMCU and NKI.
| UMCU | NKI | |
|---|---|---|
| T2-WEIGHTED (TSE) | ||
| Voxel size (mm3) | ||
| Acquired | 0.6 × 0.7 × 3 | 0.7 × 0.7 × 3 |
| Reconstructed | 0.5 × 0.5 × 3 | 0.4 × 0.4 × 3 |
| FOV (mm3) | 200 × 200 × 90 / | 282 × 282 × 75–90 |
| 230 × 230 × 141–150 | ||
| TE / TR (ms) | 90–100 / 3,770–8,620 | 120 / 3,690–7,930 |
| T2 MAPPING (MULTI-ECHO SPIN-ECHO) | ||
| Voxel size (mm3) | ||
| Acquired | 0.8 × 0.8 × 3 / 1.0 × 1.0 × 3 | |
| Reconstructed | 0.4 × 0.4 × 3 / 0.6 × 0.6 × 3 | |
| FOV (mm3) | 170 × 170 × 60 | |
| TE / TR (ms) | 32 / 2,470–4,150 | |
| Echo spacing (ms) | 16 | |
| Echoes (n) | 12 | |
| DWI (SINGLE-SHOT EPI) | ||
| Voxel size (mm3) | ||
| Acquired | 3.0 × 3.0 × 4 | 2.3 × 2.4 × 3 |
| Reconstructed | 2.5 × 2.5 × 4 | 1.1 × 1.1 × 3 |
| FOV (mm3) | 256 × 256 × 66 | 256 × 256 × 60–66 |
| TE / TR (ms) | 62–93 / 3,400–4,940 | 62 / 2,860–5,410 |
| b-values (s/mm2) | 0, 100, 300, 500, 800, 1,000 | 0, 200, 800 |
FOV, field of view; TE, echo time; TR, repetition time. For T2 mapping patients were consistently scanned with one of the reported voxel sizes.