Skip to main content
EJNMMI Physics

Table 5 Intra-center coefficient of variation (COV) between three consecutive scans of recovery coefficients (RCs) of total activity and background activity concentration and of counts in the cold lung insert (C i ) on each imaging day

From: Multi institutional quantitative phantom study of yttrium-90 PET in PET/MRI: the MR-QUEST study

 

COV (%) (range)

VOI

3.0 GBq

1.4 GBq

0.8 GBq

0.5 GBq

0.2 GBq

Total activity

0.80 (96.7–98.2)

0.47 (102–102)

0.78 (106–107)

0.79 (114–115)

0.80 (139–141)

Background

16.8 (46.5–147)

26.9 (33.6–209)

27.9 (32.8–179)

34.6 (32.8–254)

50.4 (30.5–423)

Lung insert

4.51 (31.5–34.5)

5.99 (39.6–44.6)

2.82 (37.4–39.1)

5.05 (39.9–44.5)

10.2 (61.1–74.1)

  1. Numbers in parentheses represent the range of RCs for total activity and background activity concentration and C i for the lung insert (min–max)
Back to article page