Exposure Doses to Technologists Working in 7 PET/CT Departments

Dose-response : a Publication of International Hormesis Society
Weiguo LiJieqing Li

Abstract

The aim of this study was to measure occupational exposure doses of technologists who dispense and inject radiopharmaceuticals in 7 positron emission tomography/computed tomography (PET/CT) departments. This was done with the goal to help improving protective designs in PET departments and/or establishing national protection standards. Common LiF thermoluminescence dosimeters (TLDs) were placed on the chest and necklace of the technologists to monitor whole-body and thyroid doses, respectively. Ring TLDs were also worn on both index fingers to measure individual hand doses. All TLDs were assembled and measured once every 3 months for a total of 12 months. Additionally, we measured and compared the dose of TLDs attached to both the inside and the outside of the technologist's lead coat. Technologists received relatively high exposures, which accounted for 64% to 94% of the collective dose in their respective departments. Their thyroid doses ranged from 1.2 to 1.7 mSv/a; some technologists' hand doses exceeded 500 mSv/a. Use of a lead coat reduced the average dose by 8%. Technologists working in PET/CT departments were the main population exposed to radiation. This work underscores the need for enhanced protective measures for th...Continue Reading

References

Dec 5, 2003·Radiation Protection Dosimetry·J JankowskiK Kluska
Jun 29, 2004·Health Physics·Mike ErdmanKen Miller
Feb 3, 2006·The New England Journal of Medicine·Malik E Juweid, Bruce D Cheson
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Apr 21, 2016·Indian Journal of Nuclear Medicine : IJNM : the Official Journal of the Society of Nuclear Medicine, India·Vatturi Venkata Satya Prabhakar RaoMohammad Azhar
Aug 27, 2019·Journal of Medical Imaging and Radiation Sciences·Marwa Al-AamriaDale Bailey
Sep 14, 2019·World Journal of Nuclear Medicine·Ibrahim Elsayed Saad AhmedHossam Mahmoud Yassin
Dec 14, 2019·Radiological Physics and Technology·Yasuyuki TakahashiNoboru Oriuchi

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Citations

Sep 30, 2021·Arhiv za higijenu rada i toksikologiju·Bojan PavičarBranko Predojević

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