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Назив: Conversion coefficients for determination of dispersed photon dose during radiotherapy: NRUrad input code for MCNP
Аутори: Shahmohammadi Beni M.
Ng C.
Krstic, Dragana
Nikezic, Dragoslav
YU, Kwan Ngok Peter
Датум издавања: 2017
Сажетак: © 2017 Shahmohammadi Beni et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Radiotherapy is a common cancer treatment module, where a certain amount of dose will be delivered to the targeted organ. This is achieved usually by photons generated by linear accelerator units. However, radiation scattering within the patient's body and the surrounding environment will lead to dose dispersion to healthy tissues which are not targets of the primary radiation. Determination of the dispersed dose would be important for assessing the risk and biological consequences in different organs or tissues. In the present work, the concept of conversion coefficient (F) of the dispersed dose was developed, in which F = (Dd /Dt ), where Dd was the dispersed dose in a non-targeted tissue and Dt is the absorbed dose in the targeted tissue. To quantify Dd and Dt , a comprehensive model was developed using the Monte Carlo N-Particle (MCNP) package to simulate the linear accelerator head, the human phantom, the treatment couch and the radiotherapy treatment room. The present work also demonstrated the feasibility and power of parallel computing through the use of the Message Passing Interface (MPI) version of MCNP5.
URI: https://scidar.kg.ac.rs/handle/123456789/8835
Тип: article
DOI: 10.1371/journal.pone.0174836
SCOPUS: 2-s2.0-85016636490
Налази се у колекцијама:Faculty of Science, Kragujevac

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