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目的分析天津市所属染料行业的7家企业联苯胺接触人群的3年监护结果,以便及早预防联苯胺作业人员膀胱癌发生。方法以停止接触联苯胺35年后作业人员尿脱落细胞学3年监护结果作为主要分析指标。结果 2011—2013年发现新发阳性病例4例。结论在停止接触联苯胺35年之后,仍有职业性膀胱癌的发生。建议对离岗后接触联苯胺人员的健康行终生监护。
Objective To analyze the 3-year monitoring results of benzidine exposure in 7 enterprises in the dye industry in Tianjin in order to prevent the onset of bladder cancer among benzidine workers as soon as possible. Methods The results of 3-year monitoring of urine exfoliative cytology of workers after 35 years of stopping the exposure to benzidine were taken as the main analysis indexes. Results In 2011-2013, 4 cases of newly diagnosed positive cases were found. Conclusion After 35 years of stopping the exposure to benzidine, there is still occupational bladder cancer. It is advisable to provide lifelong monitoring of the health of exposed benzidine staff after leaving the job.