Dosimetric investigation of beta-emitting ophthalmic plaques for treatment of ocular tumors

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Arjmand Mojtaba; GHASSEMI FARIBA; Rafiepour Payman; Poorbaygi Hossein

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Journal: Journal of Radiation Safety and Measurement Year:2019 | Volume:7 | Issue:1 Page(s): 37-44

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Title

Dosimetric investigation of beta-emitting ophthalmic plaques for treatment of ocular tumors

Author(s)

Arjmand Mojtaba | GHASSEMI FARIBA | Rafiepour Payman | Poorbaygi Hossein | Issue Writer Certificate

Keywords

DosimetryQ1

Eye plaqueQ1

BrachytherapyQ1

Ocular tumorQ1

Geant4Q1

EBT3 radiochromic filmQ1

Abstract

Understanding the dose distribution of beta-emitting Eye plaques respect to the location of tumor is of importance. In this study, the geometry of CCB, COB and CIB plaques (BEBIG manufacturer) for specific eye tumors were simulated and the effects of different coated radionuclides and plaque materials were investigated, by Geant4 simulation toolkit. For validation, a dosimetric investigation was performed for Ru-106 Eye plaques, using radiochromic EBT3 films and Plaque Simulator software. Ru-106 plaques can be replaced by Sr-90 or Pr-142 plaques for the tumor apex up to 3 mm. Ho-166 and Re-188 plaques only can be utilized for superficial lesions due to their intense dose fall-off. Gold plaques show more attenuation and can be made thinner. They may be used in COB and CIB models, due to their vicinity of optic nerve and iris, respectively.

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APA: Copy

Arjmand, Mojtaba, GHASSEMI, FARIBA, Rafiepour, Payman, & Poorbaygi, Hossein. (2019). Dosimetric investigation of beta-emitting ophthalmic plaques for treatment of ocular tumors. IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT, 7(1 ), 37-44. SID. https://sid.ir/paper/392075/en

Vancouver: Copy

Arjmand Mojtaba, GHASSEMI FARIBA, Rafiepour Payman, Poorbaygi Hossein. Dosimetric investigation of beta-emitting ophthalmic plaques for treatment of ocular tumors. IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT[Internet]. 2019;7(1 ):37-44. Available from: https://sid.ir/paper/392075/en

IEEE: Copy

Mojtaba Arjmand, FARIBA GHASSEMI, Payman Rafiepour, and Hossein Poorbaygi, “Dosimetric investigation of beta-emitting ophthalmic plaques for treatment of ocular tumors,” IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT, vol. 7, no. 1 , pp. 37–44, 2019, [Online]. Available: https://sid.ir/paper/392075/en

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