Comparison of Peak Absolute Sensitivity for Different PET Scanners

ScannerPeak absolute sensitivity (%)
nanoScan PET/MRI8.4
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.