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EJNMMI Research

Table 2 Median (IQR) differences between SUVs of SPECT and PET for lesions in different size categories. The differences are normalized with respect to SPECT SUVs

From: Comparison of standardized uptake values between 99mTc-HDP SPECT/CT and 18F-NaF PET/CT in bone metastases of breast and prostate cancer

Size category

n

SUVmax

SUVpeak

SUVmean

0.55–1.21 cm3

58

41% (− 22–162%)

17% (− 20–87%)

30% (− 12–111%)

1.32–1.98 cm3

58

24% (− 24–89%)

11% (− 39–52%)

19% (− 34–63%)

1.98–3.97 cm3

58

17% (− 45–106%)

7% (− 45–76%)

17% (− 39–90%)

3.97–60.31 cm3

57

11% (− 29–83%)

6% (− 26–52%)

17% (−14–51%)

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