TABLE 2

Hot Vial SUV Ratios Measured Using ACR ROIs and Cylindric VOIs

Hot vial ratioSUVmax ratioSUVvial ratio
16 mm/25 mm0.95 ± 5.0%0.91 ± 2.7%
12 mm/25 mm0.79 ± 6.7%0.77 ± 3.3%
8 mm/25 mm0.53 ± 5.2%0.54 ± 3.7%
  • SUVmax using 25-mm circular ROI in 10-mm slice. SUVvial using cylindric VOI.