JOURNAL DESCRIPTION
The Medical Radiology and Radiation Safety journal ISSN 1024-6177 was founded in January 1956 (before December 30, 1993 it was entitled Medical Radiology, ISSN 0025-8334). In 2018, the journal received Online ISSN: 2618-9615 and was registered as an electronic online publication in Roskomnadzor on March 29, 2018. It publishes original research articles which cover questions of radiobiology, radiation medicine, radiation safety, radiation therapy, nuclear medicine and scientific reviews. In general the journal has more than 30 headings and it is of interest for specialists working in thefields of medicine¸ radiation biology, epidemiology, medical physics and technology. Since July 01, 2008 the journal has been published by State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency. The founder from 1956 to the present time is the Ministry of Health of the Russian Federation, and from 2008 to the present time is the Federal Medical Biological Agency.
Members of the editorial board are scientists specializing in the field of radiation biology and medicine, radiation protection, radiation epidemiology, radiation oncology, radiation diagnostics and therapy, nuclear medicine and medical physics. The editorial board consists of academicians (members of the Russian Academy of Science (RAS)), the full member of Academy of Medical Sciences of the Republic of Armenia, corresponding members of the RAS, Doctors of Medicine, professor, candidates and doctors of biological, physical mathematics and engineering sciences. The editorial board is constantly replenished by experts who work in the CIS and foreign countries.
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The two-year impact factor of RISC, according to data for 2017, was 0.439, taking into account citation from all sources - 0.570, and the five-year impact factor of RISC - 0.352.
Medical Radiology and Radiation Safety. 2014. Vol. 59. No. 3. P. 52-58
RADIATION PHYSICS, TECHNOLOGY AND DOSIMETRY
V.Yu. Soloviev, T.M. Khamidulin
Voxel Phantom Technology in Accidental Dosimetry: Perspectives
Burnasyan Federal Medical Biophysical Center of FMBA, Moscow, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
ABSTRACT
Purpose: Evaluate the possibility of using voxel-phantom technology combined with a set of dosimeters for the purposes of gamma-neutron radiation field accidental dosimetry
Material and methods: The object of research is the vital organs volume distribution over dose within the voxel phantom irradiated in the field of neutron and gamma-ray source with the emission spectrum of the fissile material.
Results: For a typical energy distribution of the field of fissile material gamma-neutron radiation the family of neutron and gamma-ray dose distributions inside the voxel phantom has been obtained. The calculations were done for four different orientations of the phantom relative to the point-type radiation source (front, back, left and right side), not taking into account the walls, ceiling and the floor of the hall, and for each one the amount of dose absorbed by dosimeter (on the surface of the chest area) was evaluated. The phantom was placed at a distance of 2.5 meters away from the radiation source. Using this data the characteristics of the vital organs mass distribution over the dose were estimated. It was shown that red bone marrow is affected most when phantom is irradiated from behind, and the least damage is caused by radiation from the left and right sides with the same distance to the radiation source. With the dosimeter located on the chest the bone marrow mass over dose distribution median is 5 times smaller than the dosimeter reading in case of frontal irradiation, and significantly larger than the dosimeter reading in case of irradiation from behind. For practical calculations the dimensions of the hall and all the elements of physical shielding must be taken into account.
Conclusion: The result of the study is development of computational and experimental complex for the emergency dosimetry, which consists of a computational module and a set of gamma and neutron radiation dosimeters. The resulting information gives physicians full amount of data about vital organs radiation damage severity and dose distribution throughout the body, necessary for choosing optimal treatment strategy and tactics immediately after reading the dosimeter.
Key words: voxel phantom, gamma-neutron irradiation, dose, red bone marrow, accident dosimetry