Table 1 Detailed sequence parameters of WB-DWI/MRI
DWI | T2 HASTE | Contrast-enhanced 3D GE | |||
|---|---|---|---|---|---|
Transverse | Coronal | Coronal | Transverse | Coronal | |
Image stations | 4 | MPR | 3 | 4 | 1 (abdomen) |
Respiration | Free breathing | Free breathing | 3 × 14 s breath hold | 12 s | |
Fat suppression | STIR (IR = 180 ms) | None | Quick fs | Quick fs | |
b-values (s/mm2) | 50–1000 | None | None | None | |
Parallel imaging factor | 2 | 2 | 2 | 2 | |
Repetition time (TR) (ms) | 6622 | 1500 | 3.65 | 4.32 | |
Echo time (TE) (ms) | 58 | 87 | 1.77 | 1.98 | |
Slice thickness (mm) | 5 | 5 | 5 | 3 | 3 |
Slice number | 43/station | 60/station | 112/104/88/88 | 60 | |
Intersection gap (mm) | 0 | 0 | 0 | 0 | |
Field of view (FOV) (mm) | 430 × 349 | 400 × 500 | 400 × 300 | 450 × 337 | |
Acquired pixel size (mm) | 3.36 × 3.36 | 1.56 × 1.56 | 1.79 × 1.25 | 2.01 × 1.41 | |
Reconstructed pixel size (mm) | 1.68 × 1.68 | 1.56 × 1.56 | 0.63 × 0.63 | 0.7 × 0.7 | |
Number of signal averages (NSA) | 1 | 1 | 1 | 1 | |