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质量好的胸片是尘肺诊断的重要客观依据。近年来大量病理和胸片对照资料证明,有半数病例其微细病理改变在胸片上不能明确反映,以致造成多年观察难于确诊,成为尘肺诊断和防治上急待解决的课题。为寻求能显示微细结构的X线检查方法,我院采用0.3mm微焦点X线管进行高仟伏放大摄影218例,并同时摄胸片作对照观察。其中健康对照组38人,铜矿0～Ⅰ期、煤矿0～Ⅰ期观察对象分别为37人、30人。石棉制品厂粉尘作业工人113人
Good quality chest radiograph is an important objective evidence of pneumoconiosis diagnosis. In recent years, a large number of pathological and chest control data show that in half of the cases of its fine pathological changes in the chest can not be clearly reflected, resulting in years of observation difficult to diagnose, become pneumoconiosis diagnosis and prevention of urgent problems. In order to seek the X-ray examination method that can show the fine structure, our hospital adopts the 0.3mm microfocal X-ray tube to carry on the high-pressure magnification photography 218 cases, and simultaneously take the chest radiograph for the control observation. Among them, 38 were in healthy control group, 0 ~ Ⅰ in copper mine, and 37 in observation period from 0 to Ⅰ in coal mine. Asbestos products factory dust 113 workers