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Arjmand, Mojtaba, Ghassemi, Fariba, Rafiepour, Payman, Zeinali, Reyhaneh, Riazi-Esfahani, Hamid, Beiki-Ardakani, Akbar. (1402). Dosimetric Investigation of Six Ru-106 Eye Plaques by EBT3 Radiochromic Films and Monte Carlo Simulation. سامانه مدیریت نشریات علمی, 13(4), 309-316. doi: 10.31661/jbpe.v0i0.2010-1206
Mojtaba Arjmand; Fariba Ghassemi; Payman Rafiepour; Reyhaneh Zeinali; Hamid Riazi-Esfahani; Akbar Beiki-Ardakani. "Dosimetric Investigation of Six Ru-106 Eye Plaques by EBT3 Radiochromic Films and Monte Carlo Simulation". سامانه مدیریت نشریات علمی, 13, 4, 1402, 309-316. doi: 10.31661/jbpe.v0i0.2010-1206
Arjmand, Mojtaba, Ghassemi, Fariba, Rafiepour, Payman, Zeinali, Reyhaneh, Riazi-Esfahani, Hamid, Beiki-Ardakani, Akbar. (1402). 'Dosimetric Investigation of Six Ru-106 Eye Plaques by EBT3 Radiochromic Films and Monte Carlo Simulation', سامانه مدیریت نشریات علمی, 13(4), pp. 309-316. doi: 10.31661/jbpe.v0i0.2010-1206
Arjmand, Mojtaba, Ghassemi, Fariba, Rafiepour, Payman, Zeinali, Reyhaneh, Riazi-Esfahani, Hamid, Beiki-Ardakani, Akbar. Dosimetric Investigation of Six Ru-106 Eye Plaques by EBT3 Radiochromic Films and Monte Carlo Simulation. سامانه مدیریت نشریات علمی, 1402; 13(4): 309-316. doi: 10.31661/jbpe.v0i0.2010-1206

Dosimetric Investigation of Six Ru-106 Eye Plaques by EBT3 Radiochromic Films and Monte Carlo Simulation

Journal of Biomedical Physics and Engineering
مقاله 2، دوره 13، شماره 4، مهر و آبان 2023، صفحه 309-316    اصل مقاله (1.66 M)
نوع مقاله: Original Research
شناسه دیجیتال (DOI): 10.31661/jbpe.v0i0.2010-1206
نویسندگان
Mojtaba Arjmand* 1؛ Fariba Ghassemi2؛ Payman Rafiepour3؛ Reyhaneh Zeinali4؛ Hamid Riazi-Esfahani1، 5؛ Akbar Beiki-Ardakani6
1Ocular Oncology service, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
2Retina & Vitreous Service- Ocular Oncology Service, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
3Department of Nuclear Engineering, Shiraz University of Medical Sciences, Shiraz, Iran
4Department of Medical Physics, Tabriz University of Medical Science, Tabriz, Iran
5Retina service, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
6Radiation Medicine Program, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
چکیده
Background: Ophthalmic brachytherapy using radioactive plaques is an effective technique for the treatment of uveal melanoma. Ru-106 eye plaques are considered as interesting issue due to their steep gradient dose. The pre-planning evaluation of dosimetric parameters is essential for the treatment planning system.
Objective: The current study aims at providing dose distributions of six Ru-106 eye plaques (CCA, CCB, CGD, CIB, COB and COD) using radiochromic EBT3 film, Geant4 Monte Carlo toolkit and the treatment planning software (Plaque Simulator).
Material and Methods: In this experimental study, an in-house phantom was employed for depth dose measurements with EBT3 films. Also, Geant4.10.5 scoring mesh was implemented to obtain the 2D dose distribution of the plaques. The results were compared with Plaque Simulator software and the manufacturer’s (BEBIG) data. The gamma index criterion (3%/3 mm) was used to evaluate dose distributions obtained by the film measurements and Geant4 simulation.
Results: A good agreement was achieved between simulation and experimental results. Gamma index passing rate was 94.2%, 89.3%, 88.2%, 82.2%, 92.2% and 90.1% for CCA, CCB, CGD, CIB, COB and COD plaques, respectively. Absolute dose rate (mGy/min) obtained by EBT3 film at the depth of 2 mm was 79.4 mGy/min, 81.0 mGy/min, 78.6 mGy/min, 62.2 mGy/min, 75.2 mGy/min and 81.2 mGy/min for CCA, CCB, CGD, CIB, COB and COD plaques, respectively.  
Conclusion: The measured dose distributions and lateral dose profiles may be utilized in the treatment planning system to cover clinical volumes such as the clinical target volume and the gross tumor volume.

تازه های تحقیق

Mojtaba Arjmand (Google Scholar)

کلیدواژه‌ها
Uveal Melanoma؛ Ru-106 Plaque؛ Dosimetry؛ Brachytherapy؛ EBT3 Film؛ Monte Carlo Method
سایر فایل های مرتبط با مقاله
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