Assessment of the effective dose during BNCT at TRR epithermal facility

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10.22052/4.1.1

Abstract

An epithermal neutron beam has been designed for Boron neutron Capture Therapy (BNCT) at the thermal column of Tehran Research Reactor (TRR) recently. In this paper the whole body effective dose, as well as the equivalent doses of several organs have been calculated in this facility using MCNPX Monte Carlo code. The effective dose has been calculated by using the absorbed doses determined for each individual organ, taking into account the type ofradiation and tissue weighting factors. The ICRP 110 whole body male phantom has been used as a patient model. It was found that the effective dose during BNCT of a brain tumor is equal to 0.90 Sv.

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References

[1]Y. Kasesaz, H. Khalafi, F. Rahmani. A feasibility study of the Tehran research reactor as a neutron source for BNCT. Applied Radiation and Isotopes. 90(2014) 132-137. [2] Y. Kasesaz, H. Khalafi, and F. Rahmani. Design of an epithermal neutron beam for BNCT in thermal column of Tehran research reactor. Annals of Nuclear Energy.68 (2014) 234-238. [3]Y. Kasesaz, H. Khalafi, F. Rahmani .Design and construction of a thermal neutron beam for BNCT at Tehran Research Reactor Applied Radiation and Isotopes. 94 (2014) 149-151. [4] R. F. Barth. Current status of boron neutron capture therapy of high grade gliomas and recurrent head and neck cancer. Radiat Oncol 7(2012)1-21. [5]ICRP.The 2007 Recommendations of the International Commission on Radiological Protection.ICRP Publication 103, (2007). [6] IAEA-TECDOC-1223. Current Status of Neutron Capture Therapy,( 2001). [7] J. N. Wang, K. W. Lee.Effective dose evaluation for BNCT brain tumor treatment based on voxel phantoms. Applied Radiation and Isotopes, 88 (2014) 55-58.

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