PET Radiation Exposure Control for Nurses

Purpose: The aim of this study was to investigate the leakage radiation dose rate on the surface of an auto infusion device in 18 F-fludeoxyglucose (FDG) positron emission tomography. Method: We preliminary measured the radioactivity of delivery-supplied FDG drugs. Leakage radiation doses on the six (front, rear, right, left, top, and bottom) surface points of the auto infusion device were measured ninety minutes before the assay time using an energy-compensated gamma scintillation survey meter and an ionization chamber-type survey meter. Result: Leakage radiation doses on the front, rear, right, left, and top surfaces were less than 7 µSv/h and satisfied specification of the auto infusion device. However, a leakage dose exceeding 40 µSv/h was detected on the bottom surface.

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Investigation of the Leakage Radiation Dose Rate from an Auto Infusion Device in <sup>18</sup>F-FDG PET

Takada

Kondo

Furukawa

2023

Nippon Hoshasen Gijutsu Gakkai Zasshi

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National Survey of Radiation Protection for Workers in Positron Emission Tomography Facilities in Japan-1st Report: Occupational Role Assignment, Radiation Exposure to Medical Workers

浩¹,

努²,

則男³

et al. 2009

Nippon Hoshasen Gijutsu Gakkai Zasshi

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We have investigated the role assignment and radiation exposure of medical workers (including receptionists) in PET (positron emission tomography) facilities in Japan using a questionnaire. The survey period was from October 1st to November 15th 2006. The response rate for the questionnaire was 60.0% (72/120 facilities). Nurses were engaged in the intravenous administration of radioactive FDG in 66.9% of PET facilities. In 89.5% of PET facilities, radiological technologists mainly performed the PET examination. The average radiation exposure to medical workers was 0.13 mSv/month (n: 709, S.D.: 0.16) as the effective dose. It was shown that radiation exposure was significantly different depending on the occupation and content of work (p<0.01). The radiation exposure of cyclotron operators and radiological technologists was higher than that of the other occupations (p<0.01). The highest radiation dose to one worker per a PET facility was 0.60 [mSv month(-1)], which was 4.6 times higher than the average dose of 0.13 [mSv month(-1)]. We have clarified the actual conditions of radiation protection in PET facilities in Japan for the first time.

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PET Radiation Exposure Control for Nurses

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Investigation of the Leakage Radiation Dose Rate from an Auto Infusion Device in <sup>18</sup>F-FDG PET

Investigation of the Leakage Radiation Dose Rate from an Auto Infusion Device in <sup>18</sup>F-FDG PET

National Survey of Radiation Protection for Workers in Positron Emission Tomography Facilities in Japan-1st Report: Occupational Role Assignment, Radiation Exposure to Medical Workers

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