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目的 :探讨慢性阻塞性肺疾病 (COPD)合并肺间质纤维化时胸部影像的特点 ;方法 :选择经临床及纤维支气管镜肺活检 (TBLB)确诊的慢性阻塞性肺疾病合并肺间质纤维化患者胸部X线片 ,CT片和高分辨CT像学表 (HRCT) ,对比其影像学表现 ;结果 :慢性阻塞性肺疾病合并肺间质纤维化患者胸部影像可表现为 :①同时具备COPD和肺间质纤维化影像特点 ,而肺容积无缩小 ;②CT尤HRCT能更敏感、精确地显示COPD患者肺间质纤维化时双肺散在毛玻璃状改变的分布与范围 ;③此种肺间质纤维化多发生在COPD中晚期患者 ;结论 :COPD合并肺间质纤维化具有其自身影像学特点 ,不同于其他间质性疾病
OBJECTIVE: To investigate the characteristics of chest imaging in patients with chronic obstructive pulmonary disease (COPD) complicated with pulmonary fibrosis.Methods: Chronic obstructive pulmonary disease (COPD) diagnosed by clinical and bronchoscopic lung biopsy (TBLB) combined with pulmonary fibrosis Patients’ chest X-ray, CT and HRCT images were compared with each other. Results: The chest images of COPD patients with pulmonary fibrosis showed as follows: (1) Both COPD and Interstitial lung fibrosis imaging characteristics, and lung volume did not shrink; ② CT especially HRCT can be more sensitive and accurate display of pulmonary interstitial fibrosis in patients with COPD scattered frosted glassy changes in the distribution and scope; ③ such pulmonary interstitial fibers Mostly in patients with advanced and advanced COPD; Conclusion: COPD with pulmonary fibrosis has its own imaging features, different from other interstitial diseases