[Intracavitary radiotherapy of uterine cancer under conditions of computerized planning and realization of therapeutic programs on the AGAT-VU apparatus].
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Adult↗
Biomedical subjects
V Ia Komar
Publications and source records attributed to V Ia Komar.
[Radiation safety during work on the ANET-V therapeutic apparatus with 252Cf sources].
The Soviet ANET-W intracavitary neutron therapy apparatus is charged with 252Cf sources, the total mass of the radionuclide being 2100 micrograms. The radiation exposure of the staff has been studied and the results presented. Possible emergency situations have been analysed, methods of their prevention and liquidation worked out. Induced radioactivity in the patient's body has been estimated. Radiation dose levels for the medical staff are 10-15 times lower for the ANET-W apparatus than those for 252Cf sources administered by the manual series system but 10 times higher than those for the AGAT-W gamma-apparatus. The design, blocking system and emergency reset of the sources provide for safe work on the ANET-W apparatus. During liquidation of an emergency situation irradiation of the staff does not exceed 0.3 of the annual maximum tolerance dose. The level of induced activity in the patient's body is insignificant as in 10.5 min it does not exceed background values.
Brachytherapy↗
[Dosage fields of the "ANET-B" apparatus with 252Cf].
The paper is concerned with the results of the calculation of dose fields of neutron and gamma-radiation for an ANET-B unit. Experimental measurements were done in the tissue equivalent phantom by using photoluminescent and alumophosphate glasses, thermoluminescent and threshold detectors with neptunium foil. Divergences between calculated and all experimental data did not exceed 10-12%. It has been shown that the ratio of the contribution of neutron and gamma-components of 252Cf radiation for the ANET-B unit to the summary absorbed dose at an arbitrary point of a tissue equivalent phantom depends considerably on a distance between this point and the center of a source and changes from 2 (for a distance of 0.5 cm) to 1 (for a distance of 10 cm).
Brachytherapy↗
[Dosimetric characteristics of the irradiating devices of the Agat-B2 apparatus].
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Humans↗
[Use of radiophotoluminescent glass for dosimetry of Cf-252 neutron and gamma radiation].
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Californium↗
[Method of neutron contact therapy using 252Cf sources].
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Adult↗
[Dosimetry in contact therapy with 252Cf irradiation].
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Californium↗
[Dosimetric prerequisites for the intracavitary neutron therapy of cervical cancer based on the simple afterloading principle].
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Californium↗
[Physico-dosimetric aspects of gamma therapy of cervical cancer on hose apparatus AGAT-V].
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Female↗
[Instrumentation-dosimetric prerequisites of intracavitary gamma therapy of cancer of the corpus uteri with sources of high activity].
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Female↗
[Use of the hose apparatus AGAT-V for intracavitary gamma-therapy in the treatment of cancer of the rectum].
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Humans↗
[The ANET-B apparatus with 252Cf sources for intracavitary radiotherapy of cancer patients].
The authors give a brief description and the basic physico-technical characteristics of the AHET-B radiation therapeutic unit with 252Cf sources (the total radionuclide quantity is 2100 micrograms) for intracavitary radiation of malignant neoplasms of the uterine neck, uterine body and rectum. The results of the physical and technical testing and of the main dosimetric and maintenance study are given. Measures for the radiation safety of the unit users are described. The above experiments made it possible to begin clinical testing of the unit. 46 uterine neck cancer, 65 uterine body cancer and 10 rectum cancer patients were treated from February 1983 to February 1987. The preliminary results of the clinical testing are positive.
Brachytherapy↗