Table 1 Imaging parameters of the conducted MRI scans.
Parameter | ss-EPI-DWI | rs-EPI-DWI (RESOLVE) | TGSE-BLADE-DWI | |
|---|---|---|---|---|
MR acquisition type Slice thickness (mm) Number of slices FOV (mm) Matrix TR (ms) / TE (ms) b value (s/mm²) Diffusion preparation Voxel size (mm³) Number of averages Slice spacing Readout segments Echo spacing (ms) EPI echo train length Bandwidth (Hz/pixel) Phase oversampling Turbo factor Fip angle Diffusion mode Encoding direction BLADE coverage Acceleration mode | 2D 3 20 220 × 220 202 × 202 5800 / 85 0,1000 Sjetskal Tanner 0.5 × 0.5 × 3.0* 2 (b0), 12 (b1000) 10% NA 0.96 76 1179 0% NA 90° (excitation) 4-scan trace A > > P NA GRAPPA | 2D 3 20 220 × 220 202 × 202 10,270 / 60 0,1000 Sjektskal Tanner 0.5 × 0.5 × 3.0* 1 10% 7 0.34 11 (per segment) 688 0% NA 180° (refocusing) 4-scan trace A > > P NA GRAPPA | 2D 3 20 220 × 220 192 × 192 4000 / 48 0,1000 Sjetskal Tanner 0.5 × 0.5 × 3.0* 1 10% NA 8.14 NA 840 100% 11 150° (refocusing) 4-scan trace A > > P 171.4% GRAPPA | |
Acceleration factor | 2 | 2 | 2 | |
Readout partial Fourier | NA | 6/8 | NA | |
Phase partial Fourier | 6/8 | NA | NA | |
Acquisition time | 5:09 min. | 5:40 min. | 5:28 min. | |