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报告91例老年人肺不张纤维支气管镜检查结果，88例获得病因诊断。诊断率96．7％。其中53例肺癌取得病理证据。发病原因中，肺癌56例，占61．5％，居病因首位。其他依次是：炎症，占34．1％，肺结核，占3．3％，支气管结石，占1．1％。本组资料表明，老年人右肺中叶不张的原因以炎症最多，占64.5％。在53例肺癌病理分型中，鳞癌39例，占73.6％，小细胞癌少见，有6例，占11.3％。认为纤维支气管镜检查对于老年肺不张患者的病因诊断具有重要价值。
A report of 91 elderly patients with atelectasis bronchoscopy results, 88 cases of etiological diagnosis. The diagnosis rate was 96.7%. 53 cases of lung cancer obtained pathological evidence. In the pathogenesis, 56 cases of lung cancer, accounting for 61.5%, the first cause of disease. The other followed: inflammation, accounting for 34.1%, pulmonary tuberculosis, accounting for 3.3%, bronchial stones, accounting for 1.1%. This group of data shows that the reason for the middle of the right middle lung in the elderly atelectasis most inflammation, accounting for 64.5%. Among the 53 cases of lung cancer, 39 cases were squamous cell carcinoma (73.6%) and small cell carcinoma was rare, 6 cases (11.3%). That fiberoptic bronchoscopy for the diagnosis of etiology in elderly patients with atelectasis of great value.