Abstract:Objective To assess frequency, clinical indications, and cumulative effective dose (CED) of patients undergoing multiple 18 F-FDG PET/CT imaging. Methods Retrospective analysis of 18 F-FDG PET/CT scans performed at a university hospital for 11 years was done. The effective dose was estimated from activity administered and dose-length-product. Results A total of 55,424 18 F-FDG PET/CT scans were performed in 32,658 patients. The average injected activity was 421 MBq and median 417 MBq. 24.2% of the patients wer… Show more
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