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目的分析矽肺的CT影像特点,以期提高对矽肺的认识。方法回顾性分析420例确诊的矽肺,所有患者均行肺部CT检查,其中Ⅰ期360例,Ⅱ期22例,Ⅲ期38例。结果矽肺患者的CT表现主要为:小阴影改变416例,大阴影改变58例,肺间质改变420例,淋巴结改变366例,胸膜改变225例。常伴有肺气肿、继发性肺结核、肺部感染等。结论综合分析矽肺的CT表现,结合其职业史,可作出诊断。
Objective To analyze the CT imaging features of silicosis in order to improve the understanding of silicosis. Methods Retrospective analysis of 420 cases of confirmed silicosis, all patients underwent lung CT examination, of which 360 cases of stage Ⅰ, 22 cases of stage Ⅱ, 38 cases of stage Ⅲ. Results The main manifestations of silicosis were as follows: small shadow change in 416 cases, large shadow change in 58 cases, interstitial lung changes in 420 cases, changes in lymph nodes in 366 cases and 225 cases of pleural changes. Often accompanied by emphysema, secondary tuberculosis, lung infections. Conclusion A comprehensive analysis of the CT findings of silicosis, combined with its occupation history, can make a diagnosis.