Table 1.
MRI acquisition parameters for prostate multiparametric MRI (mp-MRI)
| T2WI (Axial) | T2WI (Coronal) | T2WI (Sagittal) | DWI | DCE | MRSI | |
|---|---|---|---|---|---|---|
| Sequence | 2D TSE | 2D TSE | 2D TSE | EPI | 3D VIBE | GOIA-sLASER |
| TR (ms) | 4300 | 3620 | 4500 | 3400 | 4.88 | 820 |
| TE (ms) | 102 | 104 | 90 | 53 | 1.77 | 88 |
| Averages | 2 | 3 | 3 | 16 | 1 | 4 |
|
Flip angle (degree) |
160 | 160 | 128 | 90 | 15 | 90–4 × 180 |
| Thickness (mm) | 3 | 3 | 3 | 3 | 3 | 7 |
| Gap (mm) | 0 | 0 | 0 | 0 | 0 | 0 |
| FOV (mm) | 200 × 200 | 200 × 200 | 240 × 240 | 256 × 256 | 260 × 260 | 84 × 84 × 70 |
| b-value (s/mm2) | NA | NA | NA | 0, 400, 800 and 1600 | NA | NA |
| Temporal resolution (s) | NA | NA | NA | NA | 4.8 | NA |
| Matrix | 448 × 448 × 30 | 448 × 448 × 30 | 320 × 320 × 24 | 84 × 128 × 24 | 192 × 192 × 24 | 12 × 12 × 10 |
| Spatial resolution (mm3) | 0.45 × 0.45 × 3 | 0.45 × 0.45 × 3 | 0.75 × 0.75 × 3 | 2 × 2 × 3 | 1.35 × 1.35 × 3 | 7 × 7 × 7 |
| Acquisition time (min) | 3.19 | 4.51 | 4.05 | 6.26 | 6.23 | 8.42 |
TR repetition time, TE echo time, FOV field of view, TSE turbo spin echo, EPI echo planar imaging, VIBE volumetric interpolated breath-hold examination, GOIA-sLASER gradient offset independent adiabaticity with semi-localized adiabatic selective refocusing, NA not available/not applicable