Research Article

Comparison of Imaging Characteristics of 124I PET for Determination of Optimal Energy Window on the Siemens Inveon PET

Table 1

Characteristics of 124I in comparison with 18F.

124I18F

Half-life4.18 day109.74 min

Max. positron energy (keV)2,138635

Branching ratio (%)2397

Gamma energy (keV)511 (23%)
602 (60%)
722 (10%)
1,691 (11%)
511 (97%)