支气管肺癌的发病率和死亡率近十年仍在不断增长[1 ] ,迄今治疗效果仍不理想 ,往往一经诊断已属晚期 ,失去了根治机会 ,因此早期诊断和治疗显得更为重要。我院从 1990～ 2 0 0 2年病理证实误诊病例 13 5例进行分析、讨论误诊原因 ,从中吸取教训 ,提高诊疗水平。1　临床资料1 1? The incidence and mortality of bronchial lung cancer have been increasing for nearly ten years [1]. So far the effect of treatment is still unsatisfactory. It is often diagnosed later and lost the chance of radical treatment. Therefore, early diagnosis and treatment are even more important. Our hospital from 1990 to 2002 pathologically confirmed cases of misdiagnosed 13 5 cases were analyzed to discuss the causes of misdiagnosis, learn from them to improve the level of diagnosis and treatment. 1 clinical data 1 1?