Table 2 Scanning parameters of 18 F-FDG PET-CT and 4-phase liver CT
Delay (sec) | Contrast | Matrix | Pixel size (mm2) | Slice thickness (mm) | Current (mAs/slice) | Energy (keV) | |
|---|---|---|---|---|---|---|---|
Whole body PET | 18F FDG (ref) | 144 × 144 | 4 × 4 | 5 | |||
Low-dose CT | - | 512 × 512 | 1.17 × 1.17 | 5 | 30–50 | 100 | |
4-phase liver CT | 100 ml | 512 × 512 | 0.68 × 0.68 | 4–5 | |||
- Precontrast | Xeneti × 300 | 220 AEC | 120 | ||||
- Arterial | 12 | 450 AEC | 80 | ||||
- Venous | 50 | 220 AEC | 120 | ||||
- Hepatic | 220 | 175 AEC | 120 |