Table 5 Background variability and lung error of TOF-OSEM 4 iteration and 28 subsets image reconstructed, with and without PSF and 2 mm post-smooth filter for 18F, 68Ga, and 90Y respectively
From: NEMA NU 2–2007 performance characteristics of GE Signa integrated PET/MR for different PET isotopes
TOF-OSEMa | TOF-PSF-OSEM 2 mm | |||||
|---|---|---|---|---|---|---|
18F | 68Ga | 90Y | 18F | 68Ga | 90Y | |
Background variability [%] | ||||||
10 mm | 6.1 | 7.5 | 9.0 | 7.4 | 7.2 | 8.6 |
13 mm | 5.0 | 5.8 | 7.9 | 6.2 | 6.0 | 7.7 |
17 mm | 4.2 | 4.4 | 7.0 | 5.0 | 4.7 | 6.9 |
22 mm | 3.3 | 3.3 | 6.3 | 4.0 | 3.5 | 6.2 |
28 mm | 3.1 | 2.7 | 5.9 | 3.6 | 2.6 | 5.7 |
37 mm | 2.7 | 2.1 | 4.9 | 3.0 | 2.0 | 4.7 |
Lung error [%] | 1.6 | 1.1 | 6.4 | 1.4 | 1.0 | 4.3 |