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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
  1. a4 iterations and 28 subsets