Author:
Bazyka D., ,Lytvynenko O.,Litvinenko O., ,
Abstract
Breast cancer (BC) is one of the urgent problems of health care, which is due to a constant trend of growth. One of the risk factors for the development of breast cancer is ionizing radiation (IR). Numerous epidemiological and experimental studies have shown the high sensitivity of the mammary gland (MG) to this factor. Consideration of models of absolute and relative risks of the occurrence of radio-induced tumors of the MG in irradiated persons showed the importance of such factors as age at the time of irradiation, multiplicity. frequency of exposure, dose level and concomitant non-neoplastic diseases of the mammary and thyroid gland (TG). Excess radiation-induced cases of cervical cancer were found among irradiated women after the atomic bombings of Hiroshima and Nagasaki. Epidemiological features of the development of breast cancer under the influence of IV are presented in detail, which is one of the environmental factors involved in the formation of the modern carcinogenic situation. In connection with the significant sensitivity of the MG to the carcinogenic effect of IR, this form of neoplasms attracted special attention after the Chornobyl accident. The effect of small doses of radiation after the Chornobyl disaster led to a wave-like change in the incidence of breast cancer in certain periods of the year, and the radiation-induced incidence of this pathology can occur spontaneously. Key words: breast cancer, radiation risk, ionizing radiation, territory contaminated with radionuclides, radiation effect, carcinogenic risk, radiosensitivity.
Publisher
National Research Center for Radiation Medicine of the NAMS of Ukraine
Subject
Radiology, Nuclear Medicine and imaging
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