Indices of neurooncologic morbidity dynamics among younger children in Ukraine

The series of 188 cases of brain tumors in children under 3 years treated at the Institute of Neurosurgery were analyzed. The investigations of five-year periods before and after the Chernobyl accident showed clear growth of indices. To account a decrease in birth rate and natural reduction of absolute quantity of children, the growth of average index 5.8 times more is very significant. Epidemiological analysis by age and gender of patients, histological structure, and malignancy of tumors is performed by years and five-year periods. Data is also analyzed for periods before and after Chernobyl accident