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目的 探讨扬中市胃癌发病的地理病理流行病学特征和致病危险因素。方法 收集扬中市 1991～ 1998年胃癌发病及病理资料 ,按《中国恶性肿瘤登记报告试行规范》的统计方法 ,分析扬中市胃癌高发的地理病理流行病学特征及其规律。结果 扬中市 1991～ 1998年胃癌标化发病率为 113 0 4 10万 ,居扬中市恶性肿瘤首位 ,是全国胃癌高发地区之一 ,胃底贲门部为其好发部位并有明显的地区分布 ,近几年来扬中市胃癌发病率下降明显。结论 扬中市胃癌发病率下降明显 ,与扬中市 2 0多年来坚持肿瘤综合防治工作 ,积极改善外部环境有关。
Objective To explore the geographical pathological epidemiological characteristics and risk factors of gastric cancer in Yangzhong City. Methods The epidemiological and pathological data of gastric cancer in Yangzhong City from 1991 to 1998 were collected. According to the statistical method of “Trial Criteria for Registration of Malignant Tumors in China”, the epidemiological characteristics and regularity of high incidence of gastric cancer in Yangzhong City were analyzed. Results The prevalence of gastric cancer from 1991 to 1998 in Yangzhong City was 113.04 million, ranking the first in malignant tumors in Yangzhong City. It was one of the areas with high incidence of gastric cancer in the country, and the gastric cardia was the site of its predilection with obvious regional distribution. In recent years, the incidence of gastric cancer in Yangzhong has dropped significantly. Conclusion The incidence of gastric cancer in Yangzhong City has decreased significantly. It has been related to the comprehensive prevention and treatment of cancer in Yangzhong City for more than 20 years and actively improving the external environment.