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Назив: Voxel model of a rabbit: assessment of absorbed doses in organs after CT examination performed by two different protocols
Аутори: Mitrovic M.
Ciraj Bjelac, Olivera
Jovanović, Živana
Krstić N.
Nikezic, Dragoslav
Krstic, Dragana
Zivkovic, Marijana
Lazarević Macanović, Mirjana
Датум издавања: 2021
Сажетак: The objective of this work was to assess absorbed doses in organs and tissues of a rabbit, following computed tomography (CT) examinations, using a dedicated 3D voxel model. Absorbed doses in relevant organs were calculated using the MCNP5 Monte Carlo software. Calculations were perfomed for two standard CT protocols, using tube voltages of 110 kVp and 130 kVp. Absorbed doses were calculated in 11 organs and tissues, i.e., skin, bones, brain, muscles, heart, lungs, liver, spleen, kidney, testicles, and fat tissue. The doses ranged from 15.3 to 28.3 mGy, and from 40.2 to 74.3 mGy, in the two investigated protocols. The organs that received the highest dose were bones and kidneys. In contrast, brain and spleen were organs that received the smallest doses. Doses in organs which are stretched along the body did not change significantly with distance. On the other hand, doses in organs which are localized in the body showed maximums and minimums. Using the voxel model, it is possible to calculate the dose distribution in the rabbit’s body after CT scans, and study the potential biological effects of CT doses in certain organs. The voxel model presented in this work can be used to calculated doses in all radiation experiments in which rabbits are used as experimental animals.
URI: https://scidar.kg.ac.rs/handle/123456789/13720
Тип: article
DOI: 10.1007/s00411-021-00941-7
ISSN: 0301-634X
SCOPUS: 2-s2.0-85114373465
Налази се у колекцијама:Faculty of Engineering, Kragujevac
Faculty of Science, Kragujevac

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5

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