Table 5 Diffusion-weighted MR scan protocol. (*) Philips Ingenia and GE Discovery.
Lung Cancer (site A, B, E, G) | Colorectal liver metastases (1.5 T) (site A, B, C, E) | Colorectal liver metastases (3 T) (site C, F*) | Ovarian cancer (site E) | |
|---|---|---|---|---|
Sequence | ss-EPI | ss-EPI | ss-EPI | ss-EPI |
TR (ms) | ≥8000 | ≥8000 | 5000 | ≥8000 |
TE (ms) | minimum | minimum | minimum | minimum |
NSA | 4 | 4 | 2–4 | 4 |
FOV (mm2) | 380 × 273 | 380 × 380 | 380 × 273 | 332 × 380 |
Matrix | 128 × 112 | 128 × 128 | 128 × 128 | 128 × 112 |
Bandwidth (Hz/px) | 1400–1800 | 1400–1800 | 1500–2650 | 1400–1800 |
Slice thickness (mm) | 5 | 5 | 5–6 | 6 |
Slice gap (mm) | 0 | 0 | 0 | 0 |
Pixel size (mm2) | 3 × 3 | 1.5 × 1.5 | 1.5 × 1.5 | 1.5 × 1.5 |
b-values | 100, 500, 800 | 100, 500, 900 | 150, 400, 800 | 100, 500, 900 |
Fat saturation | yes | yes | yes | yes |
Parallel imaging | yes | yes | yes | yes |
