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WANG Feng , ZHAO Wei , FAN Yang , CHEN Pu-yun , ZHANG Yan , YANG Zhi . Radiation to People around Patients Undergoing PET/CT Examination with 18F-FDG[J]. Journal of Environmental and Occupational Medicine, 2015, 32(8): 771-778. DOI: 10.13213/j.cnki.jeom.2015.14670
Citation: WANG Feng , ZHAO Wei , FAN Yang , CHEN Pu-yun , ZHANG Yan , YANG Zhi . Radiation to People around Patients Undergoing PET/CT Examination with 18F-FDG[J]. Journal of Environmental and Occupational Medicine, 2015, 32(8): 771-778. DOI: 10.13213/j.cnki.jeom.2015.14670
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Radiation to People around Patients Undergoing PET/CT Examination with 18F-FDG

    Abstract
  • Objective To calculate the radiation dose to people including inquiry physicians, attending physicians, and family/nursing personnel who were around the patients undergoing 18F-fluorodeoxyglucose positron emission tomography and computerized tomography (18F-FDG PET/CT) examination, and estimate the radiation exposure using whole-body effective dose.

    Methods A reference phantom model and a radiation model were established by Monte Carlo Method. Based on the derived equivalent doses of each organ by simulation calculation using grouping patient-accompanying personnel data, whole-body effective dose was calculated by adding tissue weighting factor. Obtained results were compared to the national standard norm to evaluate the radiation exposure to patient-accompanying personnel.

    Results The average annual effective doses of inquiry physicians, attending physicians, and family/nursing personnel were 0.55, 8.0& #215;10-5, and 2.0& #215;10-2 mSv, respectively, much lower than the medical staff (20 mSv/a) and individual (1 mSv/a) dose limits recommended by national standard norm.

    Conclusion The patients ordered 18F-FDG PET/CT examination exert little radiation to their surroundings.

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