Table 1.
Reconstruction and acquisition parameters for all NEMA IQ scans using Fluorine-18 and Gallium-68
| No of scanners | Scanner | Iterations and subsets | Gaussian Filtering (mm) | Voxel dimensions (mm3) | Time/bed position or scan speed |
|---|---|---|---|---|---|
| Fluorine-18 scans | |||||
| 1 | Siemens mCT Flow | 2i21s | 5 | 4.1x4.1x3.0 | 0.8 mm/sa |
| 2 | Siemens mCT Flow | 2i21s | 5 | 4.1x4.1x3.0 | 1.1 mm/sb |
| 3 | Siemens mCT Flow | 2i21s | 5 | 4.1x4.1x2.0 | 3 min/bed position |
| 1 | Siemens mCT Edge | 2i21s | 6 | 4.1x4.1x3.0 | 3 min/bed position |
| 1 | GE Discovery MI | 3i17s | 5 | 2.7x2.7x2.8 | 3 min/bed position |
| 2 | GE Discovery 690 | 2i24s | 6.4 | 2.7x2.7x3.3 | 3 min/bed position |
| 2 | GE Discovery 710 | 2i24s | 6.4 | 2.7x2.7x3.3 | 3 min/bed position |
| Gallium-68 scans | |||||
| 1 | GE Discovery MIDR | 3i16s | 6.4 | 2.7x2.7x3.3 | 5min/bed position |
| 1 | GE Discovery 690 | 2i24s | 6.4 | 5.5x5.5x3.3 | 4 min/bed position |
| 1 | Siemens mCT Flow | 2i21s | 5 | 4.1x4.1x2.0 | 4 min/bed position |
| 1 | Siemens TrueV | 2i21s | 5 | 4.1x4.1x5.0 | 3 min/bed position |
| 1 | GE Discovery 710 | 2i24s | 6.4 | 2.7x2.7x3.3 | 4 min/bed position |
| 1 | GE Discovery 710 | 2i24s | 6.4 | 2.7x2.7x3.3 | 3 min/bed position |
aCorresponds to 2.5 mm/bed position according to Siemens instructions for protocol definition
bCorresponds to 2 mm/bed position according to Siemens instructions for protocol definition