Methods 25 cases of pneumoconiosis were examined with SCT at first ,then followed with HRCT examination at top of aortic arch,carina of trachea,3cm below the bifurcation of bronchi and 2cm above the right diaphragm as well as other interesting areas.

• 方法:已明确诊断尘肺患者25例全部行全肺SCT扫描,然后在主动脉弓顶、气管隆凸、气管分叉下3cm、右膈上2cm重点兴趣区行HRCT检查。