Comparison of Peak Absolute Sensitivity for Different PET Scanners
Scanner | Peak absolute sensitivity (%) |
nanoScan PET/MRI | 8.4 |
NanoPET/CT (7) | 7.7 |
Inveon (Siemens) (22) | 10.1 |
microPET Focus 220 (Siemens) (23) | 3.0 |
Argus (former Vista) (Sedecal) (24) | 4.0 |
Reference 22 used 4.7-ns time window, reference 23 used 68Ge point source with steel sleeve and 6-ns time window, and reference 24 used 18F source of 1.1-mm diameter and 3-mm length and unspecified time window.