Table 1.
Sequence parameters used for 1.5 T and 3.0 T IVIM DWI sequences.
| Platform | 1.5 T | 3.0 T | 1.5 T | 3.0 T |
|---|---|---|---|---|
| Study type | In vivo | Phantom | ||
| Acquisition plane | Coronal/Axial | Axial | Coronal | |
| Acquisition scheme | PACE | Free breathing | – | – |
| TR | 1 respiratory cycle | 2600 | 3000 | 2600 |
| TE | 74 | 59.5 | 74 | 58.3 |
| b-Values (s/mm2) | 0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 175, 200, 400, 600, 800 | |||
| Diffusion directions | 3 | |||
| Field of view (mm) | 350–400 | |||
| Slice/interval thickness (mm) | 8.0/1.6 | |||
| Number of slices | 15 | 20–26 | 13 | |
| Parallel imaging factor | 2 | |||
| Number of averages | 2 | 2 | 2 | 2 |
| Acquisition matrix | 160 × 128 | 128 × 128 | 160 × 128 | 128 × 128 |
| Average scan time (min) | 7–12 | 3:45 | 2:22 | 3:45 |