本文对我院 1998— 2 0 0 0年 41例延误诊断的肺癌病例报告如下。1　临床资料男 32例 ,女 9例 ,年龄 2 4～ 75岁 ,均经纤支镜、肺穿刺、淋巴结活检或胸水检查一项以上获组织细胞学确诊。男90 %为鳞癌 ,女 77%为腺癌。男均有吸烟史 (2 0 0～ 16 0 0支 /年 ) ,女无吸烟者 ,首发症 This article reports 41 cases of delayed lung cancer diagnosed in our hospital from 1998 to 2000 as follows. 1 clinical data 32 males and 9 females, aged 24 to 75 years old, were confirmed by fiberoptic bronchoscopy, lung puncture, lymph node biopsy or pleural fluid examination more than one histological cytology. 90% of men were squamous cell carcinoma and 77% of women were adenocarcinoma. All men have a history of smoking (200-1600/year), female non-smokers, first episode