近三十年来,国内外许多专家对砷化物的致癌问题进行了大量的调查研究,认为冶炼过程中,生产环境的大量砷化物污染可使冶炼工人呼吸系统癌症危险度增高。鉴此,我们对大厂矿务局的某冶炼厂作了一次肿瘤流行病学调查,旨在了解接砷作业工人肿瘤的流行状况。调查对象和方法本调查采用历史前瞻性流行病学调查方法。观察年限为15年,即 In the past three decades, many experts at home and abroad have conducted a large amount of investigations on the carcinogenicity of arsenic. They believe that a large amount of arsenide pollution in the production environment may increase the risk of cancer of smelting workers’ respiratory system during the smelting process. As a result, we conducted a tumor epidemiological survey of a smelter in Dachang Mining Bureau to understand the prevalence of tumors in workers receiving arsenic. Subjects and Methods The survey used a historical prospective epidemiological survey method. The observation period is 15 years, that is