Clinicopathologic Analysis of 464 Cases of Thyroid Carcinoma in Yanbian Area

Objective To study the incidence trend of patients with thyroid carcinoma in Yanbian Area.Methods A retrospective analyze of 464 cases with thyroid carcinoma from 1970 to 2004 diagnosed by pathology.Results The incidence of thyroid carcinoma was increased in Yanbian area over the 1970~2004 periods. Papillary,follicular,medullary and anplastic carcinoma accounted for 70%,21%,4% and 3% of cases,respectively.The rate of papillary carcinoma increased from 58% in 1970 to 85% at present.The mean age at diagnosis was 43 years,and the peack age of incidence was 41~50 years old group.The female to male ratio was 5∶1.There was no significant difference in thyroid carcinoma incidence between two nationalities.Conclusion Thyroid carcinoma incidence has increased in Yanbian area and the rate of papillary carcinoma increased over the past 35 years.The incidence of thyroid carcinoma was no significant differences in two nationalities.