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目的 通过对一起放射工作人员职业性外照射个人监测结果异常的原因进行调查分析,为加强个人剂量监测提供科学依据.方法 采样现况调查方法,包括现场勘查、查阅既往报告、现场快速检测及核查询问.结果 当事人工作场所南侧毗邻16排CT机房,其设备场所状态检测及现场检测结果均合格;放射科2016年1-4季度个人剂量计收发过程中未被污染,仅某某2016年第4季度个人剂量检测结果异常;当事人自述曾经佩戴个人剂量计接受过放射性检查.结论 本次职业性外照射个人剂量监测结果异常原因为个人误照所致,建议进一步完善相关规章制度并纳入单位绩效考核,加强内部管理和教育培训,保证质量控制措施落实到位,避免此类事件发生.“,”Objective By occupational radiation workers with external exposure personal monitoring results to investigate the cause of abnormal analysis,provide scientific basis for strengthening the personal dose monitoring.Methods Sampling survey methods,including field exploration,refer to previous reports,on-site rapid detection and verification.Results The south adjacent to the workplace 16 row CT room,its equipment place state test and field test results are qualified;Radiology department in 2016 1-4 quarter of personal dose was not contaminated during the process of collecting the hair,only the fourth quarter of 2016 individual dose presented abnormal test results;The readme was equipped with dose meter when accepting radioactive inspection.Conclusion Outside the occupational exposure dose monitoring results for personal mistake as caused by abnormal reasons,It is suggested to further perfecting the relevant rules and regulations and unit performance appraisal,strengthen internal management and education training as to ensure the quality control measures in place to avoid such events.