Acquisition and Processing Parameters for WB PET/CT and High-Resolution, Contrast-Enhanced HN PET/CT (Siemens Biograph PET/CT)
| Parameter | WB PET/CT | HN PET/CT |
|---|---|---|
| Technique CT | kVp, 120; mA, 240 | kVp, 120; mA, 200 |
| CT collimation (mm) | 1.5 | 0.75 |
| Bed time (min) | 6 | 12 |
| Matrix (PET image) | 168 | 256, with 1.5 zoom |
| Pixel size (mm) | 4.16 | 1.82 |
| Filter FWHM (mm) | 5 (7 if >78.75 kg) | 2.0 |
| Iteration | 4 | 6 |
| Subset | 8 | 14 |
| Intravenous contrast | No | Yes |
| Interval from injection (min) | 90 | 150 |
| Bed | Cradle | Flat |
| Head position | In head holder | In head holder (chin up) |
FWHM = full width at half maximum.