Table 1.
Scan Parameters for qT2, DWI, Dixon, and Fat‐Suppressed T2‐Weighted Sequences
| qT2 | DWI | Noise map | Dixon | T2w‐SPIR | |
|---|---|---|---|---|---|
| Sequence | MSE | SE‐EPI | SE‐EPI | MS_FFE | MS_TSE |
| Matrix size | 160 × 160 | 160 × 160 | 160 × 160 | 320 × 320 | 640 × 640 |
| Voxel size (mm3) | 3 × 3 × 6 | 3 × 3 × 6 | 3 × 3 × 6 | 1.5 × 1.5 × 6 | 0.75 × 0.75 × 3 |
| Slice gap (mm) | 6 | — | — | — | — |
| Slices | 17 | 31 | 31 | 31 | 31 |
| TR (msec) | 5633 | 5000 | 210 | 5500 | |
| TE (msec) | 17*7.6 | 57 | 57 | 2.6/3.36/4.12/4.88 | 70 |
| Flip angle | 90/180° | 90/180° | 90/180° | 8° | 90° |
| b‐value (s/mm2) (# gradient orientations) | — | 0(1), 1(6), 10(3), 25(3), 100(3), 200(6), 400(8), 600(12) | 0(1), 400(1) | — | — |
| Fat suppression | SPAIR/SPIR/SSGR | SPAIR/SPIR/SSGR | SPIR | ||
| SENSE | 2 | 1.9 | 1.9 | 2 | 2 |
SENSE: sensitivity encoding.