DETERMINATION OF ROOM ENTRY TIMES FOR RADIATION THERAPISTS AFTER ROUTINE 15 MV PHOTON TREATMENTS

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NAJAFI M.; DEEVBAND M.R.; YOUSEFI DIBA A.A.; AMIN MOGHADDAM A.

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Journal Paper

Paper Information

Journal: International Journal of Radiation Research Year:2015 | Volume:13 | Issue:4 Page(s): 379-382

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Information Journal Paper

Title

DETERMINATION OF ROOM ENTRY TIMES FOR RADIATION THERAPISTS AFTER ROUTINE 15 MV PHOTON TREATMENTS

Author(s)

NAJAFI M. | DEEVBAND M.R. | YOUSEFI DIBA A.A. | AMIN MOGHADDAM A. | Issue Writer Certificate

Keywords

LINEAR ACCELERATOR

HIGH ENERGY PHOTONS

RADIAT ION THERAPISTS

ROOM ENTRY TIMES.

Abstract

Background: Radiation therapy uses high-energy radiation to kill cancer cells.Photoneutron contamination and induced radioactivity of high energy therapeutic photon beams are considered as the main source of occupational exposure to radiation therapists who works with LINEAR ACCELERATORs operating above 10 MV.Materials and Methods: The gamma dose rates were measured after termination of different treatment approaches using 15 MV photons and ROOM ENTRY TIMES.for each approach was determined. Based on the results of this study, the annual dose of radiation therapists was estimated.Results: The highest dose rate that measured in the treatment room was belonged to 3-field pelvic approach which was equal to 5 ± 1.1 mSv/h. The radiation therapist's ROOM ENTRY TIMES.were determined between 3 to 10 minutes and the annual dose was estimated up to 5.9 mSv/y.Conclusion: Although the estimated annual dose is less than the internationally permi2ed value, the undesirable dose to radiation workers could be reduced through considering recommended ROOM ENTRY TIMES.

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APA: Copy

NAJAFI, M., DEEVBAND, M.R., YOUSEFI DIBA, A.A., & AMIN MOGHADDAM, A.. (2015). DETERMINATION OF ROOM ENTRY TIMES FOR RADIATION THERAPISTS AFTER ROUTINE 15 MV PHOTON TREATMENTS. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 13(4), 379-382. SID. https://sid.ir/paper/286686/en

Vancouver: Copy

NAJAFI M., DEEVBAND M.R., YOUSEFI DIBA A.A., AMIN MOGHADDAM A.. DETERMINATION OF ROOM ENTRY TIMES FOR RADIATION THERAPISTS AFTER ROUTINE 15 MV PHOTON TREATMENTS. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2015;13(4):379-382. Available from: https://sid.ir/paper/286686/en

IEEE: Copy

M. NAJAFI, M.R. DEEVBAND, A.A. YOUSEFI DIBA, and A. AMIN MOGHADDAM, “DETERMINATION OF ROOM ENTRY TIMES FOR RADIATION THERAPISTS AFTER ROUTINE 15 MV PHOTON TREATMENTS,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 13, no. 4, pp. 379–382, 2015, [Online]. Available: https://sid.ir/paper/286686/en

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