Figure 1:

FDG exponential decay curves for the median values of the parameters: an initial injection of 4.2 mCi (155.4 MBq) and a postablation dose of 8.4 mCi (310.8 MBq). Graph charts radioactive decay of the isotope and demonstrates that the effective FDG activity from which the preablation dataset is acquired is approximately 2.57 mCi (95.09 MBq), whereas the postablation activity is approximately 6.73 mCi (249.01 MBq). At second PET acquisition, the residual activity present from the first injection is approximately 0.65 mCi (24.05 MBq) and therefore contributes minimally to the postablation PET images.