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目的:探讨分析螺旋CT肺密度测定在肺气肿中的临床诊断应用价值.方法:回顾性分析2010年1月-2013年3月我院经CT诊断的90例不同病理类型肺气肿患者及80例正常肺实验者的临床资料,对各位用螺旋CT在肺门、肺尖、横隔进行平均肺密度测定,比较两组实验者的平均肺密度差异.结果:90例肺气肿患者较正常实验者肺密度明显下降,P<0.05;其中,不同类型的肺气肿患者间肺密度也存在着相互差异,P<0.05.结论:螺旋CT肺密度检测在临床诊断肺气肿患者有着较高的诊断价值,十分有利于肺气肿患者的早期定性及分型诊断.“,”Objective: To investigate the analysis of the clinical diagnostic value of spiral CT lung density was measured in emphysema. Methods: AA retrospective analysis of clinical data in January 2010 March 2013 90 patients with different types of pathology diagnosis by CT emphysema patients and 80 patients with normal lung experimenter Members with spiral CT in the hilar lung tip, diaphragm average lung density determination, the were compared experimenter average lung density differences. Results: 90 cases of emphysema patients than normal the experimenter lung density was significantly decreased (P <0.05); where different types of patients with emphysema, the lung density there is mutual differences (P <0.05). Conclusion: Spiral CT lung density detection has a high diagnostic value in patients with clinical diagnosis of emphysema, is very conducive to the early qualitative and typing diagnosis of patients with emphysema.