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 journal is included in the List of Russian Reviewed Scientific Journals of the Higher Attestation Commission. Since 2008 the journal has been available on the Internet and indexed in the RISC database which is placed on Web of Science. Since February 2nd, 2018, the journal "Medical Radiology and Radiation Safety" has been indexed in the SCOPUS abstract and citation database.
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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.
Issues journals
Medical Radiology and Radiation Safety. 2019. Vol. 64. No. 3. P. 64–73
DOI: 10.12737/article_5cf3e4354d3276.60963732
D.V. Kuzmichev, Z.Z. Mamedli, A.A. Aniskin, A.V. Polinovskiy, J.M. Madyarov, S.I. Tkachev, A.V. Egorova, A.S. Aniskina
The Evolution of Neoadjuvant and Adjuvant Component of Treatment of Patients with Locally Advanced Rectal Cancer
1. N.N. Blokhin National Medical Research Center, Moscow, Ruissia;
2. N.I. Pirogov Russian National Research Medical University, Moscow, Ruissia. E-mail:
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D.V. Kuzmichev – Senior Researcher, PhD Med.;
Z.Z. Mamedli – Head of Dep., PhD Med.;
A.A. Aniskin – Resident;
A.V. Polinovskiy – Researcher, PhD Med.;
J.M. Madyarov – Doctor, PhD Med.;
S.I. Tkachev – Leading Researcher, Dr. Sci. Med., Prof.;
A.V. Egorova – PhD Med., Prof.;
A.S. Aniskina – Resident
Abstract
The results of numerous single-center and multicenter randomized and non-randomized studies on the treatment of patients with locally advanced rectal cancer (LARC) over a 70-year period are presented. The sequence of surgical, medicinal, radiation and chemoradiation treatment is represented. The doses and amount of radiation exposure are described, both in mono mode and with the use of various combinations of chemotherapeutic drugs in neoadjuvant and adjuvant regimens. The evolution of complex treatment that has shifted has shifted the emphasis to the use of chemoradiation therapy in the neoadjuvant period, and the introduction of new chemotherapeutic drugs and regimens have significantly increased the survival rates among patients with LARC. The approaches to the treatment of patients with LARC are not static and are constantly being improved. This literature review shows the chronological sequence and major current trends in the neoadjuvant and adjuvant components of the treatment of patients with locally advanced rectal cancer.
Key words: locally advanced rectal cancer, complex treatment, consolidation chemotherapy, induction chemotherapy, medical pathomorphosis
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For citation: Kuzmichev DV, Mamedli ZZ, Aniskin AA, Polinovskiy AV, Madyarov JM, Tkachev SI, Egorova AV, Aniskina AS. The Evolution of Neoadjuvant and Adjuvant Component of Treatment of Patients with Locally Advanced Rectal Cancer. Medical Radiology and Radiation Safety. 2019;64(3):64-73. (Russian).
Medical Radiology and Radiation Safety. 2019. Vol. 64. No. 3. P. 74–77
DOI: 10.12737/article_5cf3e5d39dc746.62423273
V.A. Klimanov1,2, J.J. Galjautdinova2, М.А. Kolyvanova2
The Ratio between Absorbed Dose, Kerma and Ionization Kerma for Small-Size Fields
1. National Research Nuclear University MEPhI, Moscow, Russia. E-mail:
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;
2. A.I. Burnazyan Federal Medical Biophysical Center, Moscow, Russia
V.A. Klimanov – Leading Researcher, Dr. Sci. Phys-Math., Prof.;
J.J. Galjautdinova – Head of Lab.;
М.А. Kolyvanova – Head of Lab.
Abstract
Purpose: Research of the relationships between spatial distributions in water of the main dosimetric values, namely the absorbed dose, kerma and ionization kerma, for small-size fields with a circular cross section created by divergent beams of bremsstrahlung spectrum with a maximum energy of 6 MeV.
Material and methods: Using the Monte-Carlo method with the codes EGSnrc and MCNP4C2, calculations were carried out for these distributions in a water phantom for beam radii on the phantom surface from 0.1 to 3.0 cm and for depths up to 40 cm. The ratio at depths up to 5 cm, where there is a so-called build-up area, is studied in particular detail.
Results: The results of calculations show that the ratio of ionization kerma to kerma for such beams at depths up to 40 cm is practically constant and equal to 0.9930 ± 0.0005. The ratio of the absorbed dose to the ionization kerma, in contrast to conventional square beams with a cross-sectional area ≥ 20 cm2, is much less than unity at radii of 1 cm at all the depths considered.
Conclusion: The data obtained show that the relationship between absorbed dose, kerma and ionization kerma for photon fields produced by beams of small cross sections is very different from that for traditional beams. This circumstance should be taken into account when conducting dosimetry of small fields.
Key words: clinical dosimetry, dose, kerma, ionization kerma, small fields
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For citation: Klimanov VA, Galjautdinova JJ, Kolyvanova МА. The Ratio between Absorbed Dose, Kerma and Ionization Kerma for Small-Size Fields. Medical Radiology and Radiation Safety. 2019;64(3):74-7. (Russian).
Medical Radiology and Radiation Safety. 2019. Vol. 64. No. 3. P. 85–88
DOI: 10.12737/article_5cf3e96f80d074.65473780
S.F. Vershinina
Past and Present of Radiation Diagnostics and Treatment of Malignant Tumors
(On the 100 Anniversary of FSBI A.M. Granov RRCRST of the Ministry of Healthcare Russian Federation)
Russian Scientific Center of Radiology and Surgical Technologies named after A.M. Granov, St. Petersburg, Russia.
E-mail:
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S.F. Vershinina – Leading Researcher, Dr. Sci. Biol.
For citation: Vershinina SF. Past and Present of Radiation of Diagnostics and Treatment of Malignant Tumors (To the 100 Anniversary of FSBI A.M. Granov RRCRST of the Ministry of Healthcare Russian Federation). Medical Radiology and Radiation Safety. 2019;64(3):85-8. (Russian).
Medical Radiology and Radiation Safety. 2019. Vol. 64. No. 3. P. 78–84
DOI: 10.12737/article_5cf3e86a478d20.08095360
E.N. Lykova1,2, M.V. Zheltonozhskaya1,2, F.Yu. Smirnov3, P.I. Rudnev4, A.P. Chernyaev1,2, I.V. Cheshigin5, V.N. Yatsenko3
Analysis of the Bremsstrahlung Photons Flux and the Neutrons Beams during the Operation of an Electrons Medical Accelerator
1. Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia. E-mail:
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;
2. D.V. Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University, Moscow, Russia;
3. A.I. Burnasyan Federal Medical Biophysical Center, Moscow, Russia;
4. LLC “Center ATSP”, Moscow, Russia;
5. National Research Center «Kurchatov Institute», Moscow, Russia
E.N. Lykova – Senior Lecturer;
M.V. Zheltonozhskaya – Senior Researcher, PhD Tech.;
F.Yu. Smirnov – Medical Physicist;
P.I. Rudnev – Director;
A.P. Chernyaev – Head of Dep., Dr. Sci. Phys.-Math., Prof.;
I.V. Cheshigin – Senior Researcher;
V.N. Yatsenko – Head of Lab., PhD Tech.
Abstract
Purpose: To estimate the contribution of the secondary neutron flux to the total radiation flux during the operation of Trilogy linear medical accelerator and Varian’s Clinac 2100 accelerator for assessment of impact on the health of patients and medical personnel.
High-energy linear accelerators operating at energies higher than 8 MeV generate neutron fluxes when interacting with accelerator elements and with structural materials of the room for treating patients. Neutrons can form at the accelerator head (target, collimators, smoothing filter, etc.), the procedure room, and directly in the patient’s body.
Because of the high radiobiological hazard of neutron radiation, its contribution to the total beam flux, even at a level of few percent, substantially increases the dose received by the patient.
Material and methods: Secondary neutron fluxes were investigated during the process of the linear medical accelerators Trilogy and Clinac 2100 of Varian operation by the photoactivation method using (γ, n) and (n, γ) reactions on the detection target of natural 181Ta. In addition, measurements of neutron spectra were carried out directly in the room during the operation of a medical accelerator using a spectrometer-dosimeter SDMF-1608.
Results: It was determined that the neutron flux on the tantalum target is 16 % of the gamma-ray flux on the same target when the accelerator is operated with a 18 MeV bremsstrahlung energy and 5 % when the accelerator is operated with a 20 MeV excluding thermal neutrons.
Conclusion: Finally, it may be noted that, taking into account the coefficient of relative biological efficiency (RBE) of neutron radiation for neutrons with energies of 0.1–200 keV equal to 10 compared with the RBE coefficient for gamma quanta (equal to 1), even preliminary analysis demonstrates significant underestimation of the contribution of neutrons dose to the total dose received by the patient in radiation therapy using bremsstrahlung of 18 and 20 MeV.
Key words: radiation therapy, bremstrahlung, photonuclear reactions, secondary neutrons, activation method
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DOI: 10.12737/article_5cf232752e83d4.66034976
А.Б. Майзик1,
Компле
1. АО «Высокотехнологический научно-исследовательский институт неорганических материалов им. академика
А.Б. Майзик – зам. главного инженера, нач. службы, аспирант;
И.П. Коренков – г.н.с., к.т.н., д.б.н., проф.;
Abstract
Key words:
REFERENCES
For citation: