[Goiter prevalence in children and adolescents in Lower Silesia in the years 1985-1990].

Investigations of the goiter prevalence in children, aged from 0 to 18 years of age living in Lower Silesia were performed. The children were our clinic outpatients in the years 1985-1990. A separate analysis of children from each of the four districts was made because of a different geographical structure. The highest number of goiter was observed in the Wrocław district. In the year 1983-1989 an increase number of newly diagnosed goiter was cases observed in all analyzed districts, than from 1989 to 1990 a decrease, tendency in goiter prevalence was noticed except in Wrocław district where the number of cases was stable. In the adolescent period the number of cases with newly diagnosed goiter increased with higher frequency among the girls.