Table 5 Impact of extra-brain activity: comparison of scatter and photopeak counts in human and phantom raw projections
From: [123I]FP-CIT ENC-DAT normal database: the impact of the reconstruction and quantification methods
Camera | Phantom | Human controls | % difference 100*(controls-phantom)/average | |||
|---|---|---|---|---|---|---|
SCl/PH (%) | SCu/PH (%) | SCl/PH (%) | SCu/PH (%) | % Diff for SCl | % Diff for SCu | |
GE INFINIA2 | 70.1 | 53.9 | 72.9 | 56.9 | 3.9 | 5.4 |
GE INFINIA1 | 67.6 | 56.3 | 68.9 | 65.8 | 1.8 | 15.7 |
Philips IRIX (MEGP) | 63.5 | 37.5 | 61.4 | 40.3 | -3.4 | 7.2 |
GE MILLENNIUM | 60.1 | 49.0 | 65.0 | 58.4 | 7.7 | 17.4 |
Siemens SYMBIA1 | 58.1 | 48.7 | 61.4 | 50.3 | 5.5 | 3.3 |
Siemens SYMBIA2 | 59.3 | 47.2 | 57.4 | 53.9 | -3.2 | 13.2 |
Siemens ECAM1 | 59.2 | 46.1 | 57.1 | 49.4 | -3.5 | 6.9 |
Siemens ECAM2 | 61.5 | 48.3 | 58.6 | 52.4 | -4.9 | 8.2 |
Siemens ECAM3 | 61.6 | 48.7 | 63.1 | 55.1 | 2.3 | 12.2 |
Mediso NUCLINE | 66.7 | 41.3 | 67.5 | 51.3 | 1.3 | 21.6 |
Trionix TRIAD1 | 58.9 | 41.5 | 62.0 | 52.0 | 5.2 | 22.6 |
Trionix TRIAD2 | 63.3 | 54.0 | 67.0 | 66.3 | 5.7 | 20.4 |