Table 1 Detailed imaging parameters for SS-EPI DWI, RESOLVE DWI, and TGSE-BLADE DWI.
Parameter | SS-EPI DWI | RESOLVE DWI | TGSE-BLADE DWI |
---|---|---|---|
b value (s/mm2) | 0, 1000 | 0, 1000 | 0, 1000 |
TR (ms) | 5000, 5500* | 4560, 6240* | 7000, 7700* |
TE (ms) | 53, 77* | 55, 64* | 46, 61* |
FA (degrees) | NA | 180 | 120 |
FOV(mm) | 220 × 220 | 220 × 220 | 220 × 220 |
Phase resolution (percentage) | 80 | 100 | NA |
Partial Fourier | 7/8 | Off | Off |
Interpolation | On | Off | Off |
Matrix | 320 × 320 | 160 × 160 | 160 × 160 |
Slice thickness(mm) | 3 | 3 | 3 |
Number of slices | 35 | 35 | 35 |
Voxel size (mm3) | 0.7 × 0.7 × 3.0 | 1.4 × 1.4 × 3.0 | 1.4 × 1.4 × 3.0 |
Bandwidth(Hz/pixel) | 1202 | 679 | 520 |
NEX | 4 | 1 | 1 |
Parallel imaging | GRAPPA 3x | GRAPPA 2x | NA |
Turbo factor | NA | NA | 13 |
EPI factor | 128 | 80 | 3 |
Readout segments | NA | 7 | NA |
Fat suppression | CHESS | CHESS | CHESS |
Acquisition time | 1m47s | 2m50s, 3m52s* | 3m53s, 4m16s* |