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目的：探索煤工尘肺的ＨＲＣＴ特征。方法：１２４例煤工尘肺作肺部常规ＣＴ，然后在主动脉弓顶、隆突水平、气管分叉下３ｃｍ右膈上２ｃｍ及重点兴趣区加作ＨＲＣＴ，对其图像表现进行研究。结果：本组１２４例煤工尘肺ＨＲＣＴ清晰地显示了肺小叶间隔增厚、小叶核心改变及小叶间质增厚、尘肺结节、各型肺气肿和大阴影等病变的特征。结论：ＨＲＣＴ对显示煤工尘肺微细病变的多种形态学表现极有帮助，在鉴别诊断中亦具有重要价值
Objective: To explore HRCT features of coal workers’ pneumoconiosis. Methods: A total of 124 cases of pneumoconiosis were selected for lung CT. Then HRCT was performed on the top of aortic arch, carina, 3 cm 3 cm above the right supraorbital branch of the trachea and the region of interest. The image performance was studied. Results: 124 cases of coal workers’ pneumoconiosis HRCT clearly showed the characteristics of lung lesion thickening, lobular core changes and interstitial thickening, pneumoconiosis, various types of emphysema and large shadow lesions. Conclusion: HRCT is very helpful for displaying various morphological features of coal worker’s pneumoconiosis. It also has important value in differential diagnosis