E-ISSN 2305-1620 | ISSN 2221-0288
 

Original Article 


Radiation dose management of 18FDG for occupational workers and comforters

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz.


Abstract
Objective: The study details our work in managing radiation doses to our workers and comforters when dealing with 18F-FDG under the ALARA principle. <br><br> Methods: Pakistan's first PET-CT suite with on-site cyclotron was designed under the guidelines of AAPM Task Group Report #108 in 2009. Concrete, Perspex and lead were used as shielding materials to justify cost and space availability. The controlled areas were designed for permissible dose limit of =< 2 microSv/hr. The staff members who have direct contact with 18F-FDG are given thermolumiscence dosimeters to record their monthly wholebody and extremities doses. <br><br> Results: Once operational, the maximum prevailing exposure is =< 10 microSv/ hr in FDG Synthesis unit at 5 Ci. The prevailing exposure in the PET-CT Console and injection room is =< 2 microSv/ hr, Prescanning room =< 5 microSv/ hr, post scanning room =< 0.2 microSv/ hr; cyclotron vault surrounding is =< 0.1 microSv/ hr. Nursing staff, injecting and dispensing 18F-FDG are rotated once in a week to inject ten patients per day/week using lead shielding to cover syringe, lead bricks and movable trolley. A short interaction between the patients are the technologists reduces the technologist's dose to =< 0.6 mSv/ month (=< 17 mSv/month). Three radio-chemists produce up to 5 Ci radioactive 18F-FDG on a daily basis in an automated shielded synthesis unit. The average radiation dose for each radiochemist is =< 0.7 mSv/month (=< 27 mSv/month). Medical Physicists and cyclotron engineers receive =< 0.5 mSv/month (=< 10 mSv/month). The comforters receive =< 1.5 mSv/scan recorded by the electronic pocket dosimeter (EPD). Each patient is released when the radiation exposure is reduced to =< 20 microSv/hr at 1 meter. <br><br> Conclusion: In the last five years (2009 to 2013), 10,000 patients were scanned with an average of 330 MBq injected dose. The maximum average dose received was 4 mSv/year for some members of nursing staff and radiochemists, whereas the least average dose of 1 mSv/year was received by technologists and the rest of the staff received doses =< 1 mSv/ year.


 
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How to Cite this Article
Pubmed Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz. Radiation dose management of 18FDG for occupational workers and comforters. Pak J Nucl Med. 2015; 5(1): 58-66.


Web Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz. Radiation dose management of 18FDG for occupational workers and comforters. https://www.pjnmed.com/?mno=284646 [Access: February 27, 2024].


AMA (American Medical Association) Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz. Radiation dose management of 18FDG for occupational workers and comforters. Pak J Nucl Med. 2015; 5(1): 58-66.



Vancouver/ICMJE Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz. Radiation dose management of 18FDG for occupational workers and comforters. Pak J Nucl Med. (2015), [cited February 27, 2024]; 5(1): 58-66.



Harvard Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz (2015) Radiation dose management of 18FDG for occupational workers and comforters. Pak J Nucl Med, 5 (1), 58-66.



Turabian Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz. 2015. Radiation dose management of 18FDG for occupational workers and comforters. Pakistan Journal of Nuclear Medicine, 5 (1), 58-66.



Chicago Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz. "Radiation dose management of 18FDG for occupational workers and comforters." Pakistan Journal of Nuclear Medicine 5 (2015), 58-66.



MLA (The Modern Language Association) Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz. "Radiation dose management of 18FDG for occupational workers and comforters." Pakistan Journal of Nuclear Medicine 5.1 (2015), 58-66. Print.



APA (American Psychological Association) Style

Shahid Younas, Ahmed Yar, Ehsan Qadir, Khalid Nawaz (2015) Radiation dose management of 18FDG for occupational workers and comforters. Pakistan Journal of Nuclear Medicine, 5 (1), 58-66.





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