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目的探讨肺癌CT普查的同时进行冠状动脉和主动脉钙化筛查。方法1877例健康体检者行螺旋CT肺癌普查,标准纵隔窗观察冠状动脉及主动脉钙化情况。结果(1)1877例被检者冠状动脉钙化总阳性率为15%,男性阳性率显著高于女性(P<0.05),两性的阳性率都随年龄的增加而增高;(2)全部被检者胸主动脉钙化总阳性率为20.88%,男性阳性率与女性无差别(P>0.05),男性及女性主动脉钙化阳性率随年龄的增加而增高,主动脉钙化的部位最常见为主动脉弓部,最少见于升主动脉。结论肺癌CT普查的同时可以筛查冠状动脉及主动脉钙化,冠状动脉及主动脉钙化的检出对冠心病的诊断具有重要的临床意义。
Objective To investigate CT screening of lung cancer with simultaneous screening of coronary artery and aortic calcification. Methods A total of 1877 healthy subjects underwent spiral CT screening of lung cancer. The coronary and aortic calcifications were observed by standard mediastinum window. Results (1) The positive rate of coronary calcification in 1877 subjects was 15%, the positive rate of male was significantly higher than that of female (P <0.05), the positive rate of both sexes increased with age; (2) The positive rate of thoracic aorta calcification was 20.88%. There was no difference between male and female (P> 0.05). The positive rate of aortic calcification in men and women increased with age, and the aortic calcification was the most common in the aortic arch , The least seen in the ascending aorta. Conclusion CT screening of lung cancer can be used to screen coronary artery and aortic calcification. The detection of coronary artery and aortic calcification has important clinical significance in the diagnosis of coronary heart disease.