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Organ doses and effective dose for five pet radiopharmaceuticals
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
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2016 (English)In: Radiation Protection Dosimetry, ISSN 0144-8420, E-ISSN 1742-3406, Vol. 169, no 1-4, 253-258 p.Article in journal (Refereed) Published
Abstract [en]

Diagnostic investigations with positron-emitting radiopharmaceuticals are dominated by 18F-fluorodeoxyglucose (18F-FDG), but other radiopharmaceuticals are also commercially available or under development. Five of them, which are all clinically important, are 18F-fluoride, 18F-fluoroethyltyrosine (18F-FET), 18F-deoxyfluorothymidine (18F-FLT), 18F-fluorocholine (18F-choline) and 11C-raclopride. To estimate the potential risk of stochastic effects (mainly lethal cancer) to a population, organ doses and effective dose values were updated for all five radiopharmaceuticals. Dose calculations were performed using the computer program IDAC2.0, which bases its calculations on the ICRP/ICRU adult reference voxel phantoms and the tissue weighting factors from ICRP publication 103. The biokinetic models were taken from ICRP publication 128. For organ doses, there are substantial changes. The only significant change in effective dose compared with previous estimations was a 46 % reduction for 18F-fluoride. The estimated effective dose in mSv MBq−1 was 1.5E−02 for 18F-FET, 1.5E−02 for 18F-FLT, 2.0E−02 for 18F-choline, 9.0E−03 for 18F-fluoride and 4.4E−03 for 11C-raclopride.

Place, publisher, year, edition, pages
Oxford University Press, 2016. Vol. 169, no 1-4, 253-258 p.
National Category
Radiology, Nuclear Medicine and Medical Imaging
URN: urn:nbn:se:umu:diva-126764DOI: 10.1093/rpd/ncw033ISI: 000383492100039PubMedID: 26977075OAI: diva2:1037774
Available from: 2016-10-18 Created: 2016-10-13 Last updated: 2016-10-18Bibliographically approved

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