| Li Tiantian,Li Peng,Sun Weihang,Min Nan,Liu Fang,Li Zhen,Zhu Jianguo,Niu Fei.Measurement and evaluation of thyroid 131I activity in iodine treatment workers[J].Chinese Journal of Radiological Medicine and Protection,2022,42(11):888-891 |
| Measurement and evaluation of thyroid 131I activity in iodine treatment workers |
| Received:July 15, 2022 |
| DOI：10.3760/cma.j.cn112271-20220715-00291 |
| KeyWords:Internal exposure 131I Thyroid Radiation dose |
| FundProject:山东省医药卫生科技发展计划项目(2017WS272) |
| Author Name | Affiliation | E-mail | | Li Tiantian | Shandong First Medical University (Shandong Academy of Medical Sciences), College of Preventive Medicine (Institute of Radiation Medicine), Jinan 250117, China | | | Li Peng | Jining Center for Disease Control and Prevention, Jining 272000, China | | | Sun Weihang | Shandong First Medical University (Shandong Academy of Medical Sciences), College of Preventive Medicine (Institute of Radiation Medicine), Jinan 250117, China | | | Min Nan | Shandong First Medical University (Shandong Academy of Medical Sciences), College of Preventive Medicine (Institute of Radiation Medicine), Jinan 250117, China | | | Liu Fang | Shandong First Medical University (Shandong Academy of Medical Sciences), College of Preventive Medicine (Institute of Radiation Medicine), Jinan 250117, China | | | Li Zhen | Shandong First Medical University (Shandong Academy of Medical Sciences), College of Preventive Medicine (Institute of Radiation Medicine), Jinan 250117, China | | | Zhu Jianguo | Shandong First Medical University (Shandong Academy of Medical Sciences), College of Preventive Medicine (Institute of Radiation Medicine), Jinan 250117, China | | | Niu Fei | Shandong First Medical University (Shandong Academy of Medical Sciences), College of Preventive Medicine (Institute of Radiation Medicine), Jinan 250117, China | niufei@sdfmu.edu.cn |
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| Abstract:: |
| Objective To understand the 131I activity in thyroid of therapy workers in nuclear medicine department, and estimate the annual committed effective dose, in order to analyze the internal exposure of them.Methods Six hospitals were investigated and 131I activity of thyroid was measured. The detection rate and activity value of thyroid 131I activity of therapy workers in nuclear medicine department were obtained from the six hospitals, and then the intake and annual committed effective dose were calculated.Results A total of 63 iodine therapy workers from six hospitals were measured and 131I was detected for 52 workers among them, with the detection rate of 83% and 131I activities mostly lower than 200 Bq. The estimated annual committed effective dose ranged from 0.23 to 7.78 mSv. The annual committed effective dose to 84.6% of the workers was less than 2 mSv.Conclusions Iodine therapy workers in nuclear medicine department should receive routine internal exposure personal monitoring, and the radiation protection system in all hospitals needs to be further improved. |
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