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[Morbidity from leukemia and non-Hodgkin's lymphoma in the juvenile population of various territories of Briansk district].

Annual incidence of acute leukemia (AL) and non-Hodgkin lymphoma (NHL) per 100,000 residents aged 0-15 years has been compared for 6 South-West regions (supervision territory), 21 control regions (comparison territory) and Bryansk city. Childhood population of the supervision territory, radionuclide contaminated after the Chernobyl accident, was 58,600 residents, that of comparison territory and Bryansk city 158,600 and 98,900, respectively (1992). In 1986-1991 59 ALL cases (annual incidence 3.11 per 100,000), 7 ANLL cases (0.38) 2, 1 and 19 of unspecified leukemia, CML, NHL (1.00), respectively, have been registered. Incidence rate and age distribution for both AL and NHL were typical for childhood population of industrial countries. AL incidence was highest in Bryansk city (4.21), in supervision territory it was 4.1, in comparison regions 3.05. There was a statistically significant excess of AL incidence in 1986 among those aged 0-15 years in the supervision territory based on 8 cases (annual incidence 13, 7, a 95% confidence interval 6-27).