From: Performance evaluation of a novel brain-dedicated SPECT system
FWHM line source 1 [mm] | FWHM line source 2 [mm] | FWHM line source 3 [mm] | |
---|---|---|---|
Activity | 22.3 MBq | 22.6 MBq | 24.4 MBq |
Location | 5 cm left from source 3 | 5 cm above source 3 | Center FOV |
Clinical reconstruction algorithm no BG |
X: 8.11 ± 0.25 Y: 8.84 ± 0.28 |
X: 8.22 ± 0.03 Y: 7.62 ± 0.07 |
X: 6.18 ± 0.16 Y: 7.57 ± 0.19 |
Clinical reconstruction algorithm 0.1% BG |
X: 9.28 ± 0.10 Y: 7.40 ± 0.09 |
X: 7.04 ± 0.04 Y: 9.21 ± 0.02 |
X: 6.21 ± 0.15 Y: 6.05 ± 0.09 |
Clinical reconstruction algorithm 1.0% BG |
X: 9.34 ± 0.21 Y: 8.33 ± 0.50 |
X: 8.35 ± 0.55 Y: 10.60 ± 0.13 |
X: 9.48 ± 0.91 Y: 8.45 ± 0.76 |
Research reconstruction algorithm no BG |
X: 7.53 ± 0.16 Y: 7.98 ± 0.22 |
X: 7.68 ± 0.05 Y: 6.94 ± 0.10 |
X: 5.74 ± 0.25 Y: 6.77 ± 0.10 |
Research reconstruction algorithm 0.1% BG |
X: 8.95 ± 0.14 Y: 7.55 ± 0.11 |
X: 7.54 ± 0.02 Y: 9.16 ± 0.01 |
X: 6.79 ± 0.07 Y: 7.21 ± 0.08 |
Research reconstruction algorithm 1.0% BG |
X: 8.07 ± 0.18 Y: 6.77 ± 0.45 |
X: 6.72 ± 0.37 Y: 8.27 ± 0.35 |
X: 7.54 ± 1.11 Y: 7.16 ± 0.67 |