TABLE 1

Hot Vial SUVmax and SUVvial Measured With and Without Normalization Using ACR ROIs and Cylindric VOIs

Hot vial diameter (mm)SUVmaxSUVvialSUVmax, NormalizedSUVvial, Normalized
252.56 ± 6.7%2.37 ± 6.2%2.54 ± 3.6%2.46 ± 3.1%
162.43 ± 9.7%2.16 ± 7.2%2.41 ± 7.0%2.24 ± 3.8%
122.02 ± 6.0%1.82 ± 5.6%2.01 ± 5.2%1.89 ± 2.4%
81.35 ± 9.4%1.29 ± 8.3%1.34 ± 6.3%1.34 ± 3.7%
  • SUVmax using 25-mm circular ROI in 10-mm slice. SUVvial using cylindric VOI. Normalized SUVs account for actual syringe activities and dilution vessel used during phantom preparation.