Acquisition Parameters: PET or PET/CT
| Parameter | Specification | Standard/preferred/optional |
|---|---|---|
| Camera type | PET/CT | Preferred |
| PET | Standard | |
| Energy peak | 511 keV | Standard |
| Injection to imaging time | ||
| 18F-florbetapir | 30–50 min after injection | Standard |
| 18F-florbetaben | 45–130 min after injection | Standard |
| 18F-flutemetamol | 60–120 min after injection | Standard |
| Attenuation correction | PET/CT: CT acquisition | Standard |
| PET: cesium or germanium sources | Standard | |
| Patient position | Supine | Standard |
| Arm position | Arms down | Standard |
| Acquisition mode | 2- or 3-dimensional | Standard (camera-dependent) |
| Bed positions | 1 | Standard |
| Time per bed position | ||
| 18F-florbetapir | 10 min | Standard |
| 18F-florbetaben | 15–20 min | Standard |
| 18F-flutemetamol | 10–20 min | Standard |
| View | Head | Standard |
| CT acquisition | Per the manufacturer’s recommendations for attenuation correction or diagnostic imaging | Optional |