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目的 :通过对扬中市发病资料分析 ,探讨该地区胃癌发病的流行病学特征和变化规律。方法 :根据扬中市三级防癌网收集的 1991— 1998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 ,分析扬中市胃癌发病的流行特征和变化趋势。结果 :发现扬中市胃癌标化发病率为 113 0 4/10万 ,居扬中市恶性肿瘤首位 ,是全国县级单位高发地区 ,胃癌发病率随年龄增长而增高 ,70— 79岁为峰值 ,男女性别比为 1 6 4∶1,胃底贲门部为好发部位 ,并有明显的地区分布差异。结论 :近几年来扬中市胃癌发病率呈明显下降趋势 ,这可能与扬中市长期进行肿瘤综合防治工作、居民的防癌意识提高有关
Objective : To analyze the epidemiological characteristics and changing rules of gastric cancer in this area by analyzing the data of incidence in Yangzhong City. METHODS: According to the pathogenesis and data of 1991-1998 gastric cancer collected by the three-level anti-cancer network in Yangzhong City, the epidemiological characteristics and trends of gastric cancer incidence in Yangzhong City were analyzed according to the statistical method of the “Trial Regulation for China Malignant Tumor Registry Report”. Results: The incidence of gastric cancer in Yangzhong City was found to be 113 0 4/100000, ranking the first in malignant tumors in Yangzhong City. It was a high incidence area for county-level units in the country. The incidence of gastric cancer increased with age, and peaked at 70-79 years. The sex ratio was 16 4:1, and the gastric cardia was the site of predilection, and there was a clear regional distribution difference. Conclusion: In recent years, the incidence of gastric cancer in Yangzhong City has shown a declining trend, which may be related to the long-term comprehensive prevention and treatment of cancer in Yangzhong City and the improvement of residents’ awareness of preventing cancer.