原发性气管癌临床少见 ,发病早期无典型症状和体征 ,X线检查不易发现 ,极易误诊。 1987年以来 ,我院经纤维支气管镜检查 ,病理确诊为原发性气管癌 9例 ,发病初期均被误诊 ,误诊原因分析如下。1　临床资料1.1　一般资料　本组 9例中 ,男 8例 ,女 1例 ;年龄 4 5～ 76岁 ,平均 6 0 Primary tracheal cancer is clinically rare, early onset without typical symptoms and signs, X-ray examination is not easy to find, easily misdiagnosed. Since 1987, our hospital by fiberoptic bronchoscopy, pathologically diagnosed as primary tracheal cancer in 9 cases, early onset were misdiagnosed, misdiagnosis as follows. 1 Clinical data 1.1 General Information The group of 9 patients, 8 males and 1 female; aged 4 5 to 76 years, an average of 60