近年来,肺癌和肺结核的发病率均在不断上升,在中老年患者中,两者的诊断易相互混淆,或肺癌和结核并存时,仅诊断为一种疾病。为提高对以上两种疾病的认识,减少误诊,我们将我院1986～1996年误诊的27例分析如下。1　临床资料1.1　一般情况　27例中,男22例,女5例;年龄19～83岁,40岁 In recent years, the incidence of lung cancer and tuberculosis has been on the rise. In middle-aged and elderly patients, the diagnosis of the two diseases is easily confused with one another, or when lung cancer and tuberculosis coexist, only one disease is diagnosed. In order to raise awareness of the above two diseases and reduce misdiagnosis, we analyzed the 27 cases of misdiagnosis in our hospital from 1986 to 1996 as follows. 1 Clinical data 1.1 General situation 27 cases, 22 males and 5 females; aged 19 to 83 years old, 40 years old