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. 2012 Nov 17;17(6):298–318. doi: 10.1016/j.rpor.2012.10.001

Fig. 2.

Fig. 2

Absolute threshold = background + relative threshold (maximum signal – background).

Reprinted from Radiother Oncol 2006;80:43–50 by J.B. Davis, Assessment of 18F PET signals for target volume definition, copyright (year) with permission from Elsevier.