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目的:探讨Ⅲ期尘肺大阴影螺旋CT影像特征。方法:72例Ⅲ期尘肺行螺旋CT检查并进行多平面重建(MPR),对其影像进行分析。结果:螺旋CT清楚显示大阴影大小,形态,位置分布,内部结构及周边病变等微细结构变化。结论:螺旋CT能清楚显示大阴影影像特征,在诊断及鉴别诊断方面具有重要价值。
Objective: To investigate the characteristics of stage Ⅲ pneumoconiosis with large shadow spiral CT. Methods: Seventy-two stage Ⅲ pneumoconiosis patients underwent spiral CT examination and multiplanar reconstruction (MPR), and their images were analyzed. Results: Spiral CT clearly showed the changes of the microstructure such as the size of the large shadow, the shape, the location, the internal structure and the surrounding lesions. Conclusion: Spiral CT can clearly show the features of large shadow images and is of great value in the diagnosis and differential diagnosis.