Table 1 Protocol parameters for PET/CTs
parameters | Discovery STE 16 | Biograph 16 |
|---|---|---|
PET scan parameters | ||
 FOV of PET (mm) | 700 × 700 | 700 × 700 |
 slice thickness of PET (mm) | 3.27 | 2.0 |
 acquisition time (sec/bed) | 120 | 120 |
 bed number (bed/body) | 5–6 | 5–6 |
 matrix of PET (pixel) | 128 × 128 | 128 × 128 |
 energy window range (keV) | 425–650 | 425–650 |
 reconstruction | 3D Iterative Reconstruction | OSEM 2D |
CT scan parameters | ||
 FOV of CT (mm) | 500 | 500 |
 slice thickness of CT (mm) | 3.75 | 5 |
 matrix of CT (pixel) | 512 × 512 | 512 × 512 |
 X-ray tube voltage (kVp) | 120 | 120 |
 X-ray tube current (mA) | 60 | 400 |