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D. A. Bazyka, A. Ye. Prysyazhnyuk, N. A. Gudzenko, M. M. Fuzik, N. K. Trotsyuk, N. G. Babkina,
O. M. Khukhrianska, S. A. Danevych
State Institution «National Research Center for Radiation Medicine of the National Academy of Medical
Sciences of Ukraine», 53 Yuriia Illienka St., Kyiv, 04050, Ukraine
LATE ONCOLOGICAL AFTEREFFECTS OF RADIATION EXPOSURE CAUSED BY THE CHORNOBYL ACCIDENT
Studies of the long-term oncological consequences after the Chornobyl accident show a significant impact of radiation exposure on the cancer incidence rate in affected population in Ukraine. This is supported by the increased
radiation risk of leukaemia in liquidators, which exceeds national population rates, and its value is comparable to
the data on hibakushi, who were subjected to A-bombings. For the first time in the clean-up workers cohort the radiation dependence of chronic lymphoid leukaemia was established. There are radiation associated risks of leukemia
in children who have been exposed to radiation from the Chornobyl accident. There has been registered an increase
of thyroid cancer incidence in children and adults (liquidators, evacuees from the 30-km exclusion zone and residents of the most contaminated territories). There is an excess of breast cancer in female liquidators. The frequency of all forms of malignant neoplasms decreases over time but still exceeds national rates. Further monitoring of
malignant neoplasms in the groups of affected population will allow evaluating the radiation risks of cancer forms
whose radiation-associated manifestation is already known from previous studies or can be expected in the future.
Key words: Chornobyl accident, morbidity, malignant neoplasms, liquidators, evacuees, residents of contaminated territories.
Problems of Radiation Medicine and Radiobiology.
2022;27:138-149. doi: 10.33145/2304-8336-2022-27-138-149
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