【摘要】 对４２３例中央型肺癌作纤维支气管镜检查，结果显示：该组病例以中年人多见，占５６％。肿瘤多位于叶支气管占７６．８％，右肺５５．３％，左肺４１．４％，气管隆突癌３．３％。病理类型为鳞癌５２．２％，低分化癌１９．８％，腺癌１３％，小细胞癌１０．７％。纤维支气管镜下主要特征：鳞癌和低分化癌以管内增殖型改变为主，小细胞癌和腺癌以浸润型为主。更多还原

【Abstract】 Fibronchoscopy was used to examine 423 cases of central type lung cancer.Middle-aged patients were the majority with 56%.Neoplasms were situated in the lobular branch (76.8%),right lung(55.3%),left lung(41.4%)and trachea carina carcinoma(3.3%).Pathologically,four types of cancer cells were recognized:squamous cell carcinoma (52.2%),poorly differentiated carcinoma(19.8%),adenocarcinoma(13%)and small cell carcinoma(10.7%).Squamous cell carcinoma usually appeared as exophytic growth.On the other hand,small cell carcinoma and adenocar cinoma were prone to infiltration.更多还原