Table 9 Comparison of the recovery coeficient (RC) for the 3mm diameter rod, uniformity and Spill-Over Ratio (SOR) of different preclinical PET scanners. Data are taken from [5,6,7,8,9,10,11,12,13,14,15, 38]
From: NEMA characterization of the SAFIR prototype PET insert
System | Recon. method | Corrected for AC/SCb | RC | STD (%) | SOR (%) | |
|---|---|---|---|---|---|---|
Uniform region | Water chamber | Air chamber | ||||
SAFIR | 3D MLEM | yes/yes | 0.49 | 3.0 | 17.3 | 18.5 |
Hyperion IID | 3D MLEM | yes/yes | 0.91 | 3.7 | 5.4 | 6.3 |
NanoScan | penalized MLEM | yes/yes | 0.9 | 3.5 | 6.2 | 5.8 |
MuPET | FBP3DRP | yes/no | 0.75 | 6.5 | 9 | 5 |
Inveon | FORE + 2D FBP | yes/yes | 0.72 | 5.3 | 1.7 | −0.6 |
IRIS | OSEM | yes/no | 0.73 | 7 | 11 | 11 |
ClearPET | 3D OSEMa | no/no | 0.42 | 10.9 | 36.9 | 26.7 |
Mosaic HP | 3D RAMLAa | yes/yes | 0.56 | 5.1 | 6.3 | 2.7 |
LabPET 8TM | 2D MLEM | no/no | 0.58 | 7.0 | 20 | 11 |
microPET R4 | FOREa + 2D FBP | yes/no | 0.60 | 4.5 | 6.2 | 4.6 |
Xtrim-PET | FORE + 2D OSEM | no/no | 0.68 | 3.8 | 25 | 35 |
Bruker | 3D MLEM | yes/no | 0.91 | 4.5 | 6.2 | 4.6 |