TABLE 4

Comparison of Volume Sensitivity from NU 2-1994 and NU 2-2001 Standards

ScannerFOVax (cm)Acquisition modeNU 2-1994 (cps/[Bq/mL])NU 2-2001, r = 0 cm/10 cm (cps/kBq)
ECAT EXACT HR+*15.52D (Emin = 350 keV)5.851.40/—
3D (Emin = 350 keV)26.48.98/9.52
ADAC UGM C-PET25.63D (Emin = 450 keV)12.74.32/4.29
ADAC MCD373D, photopeak-Compton mode1.961.010/0.867
  • * Data from (15).

  • Data from (11).

  • FOVax = axial FOV; Emin = minimum energy threshold.

  • For NU 2-2001 standard, sensitivity values are for radial positions of 0 and 10 cm.