本文对北京市原发性肺癌误诊为肺结核的病例进行分析,供同道从中吸取教训,减少误诊.1 临床资料根据北京市1977～1982年肺癌发病报告卡对城区每例患者经家庭访视和逐个向报告医院作进一步核实并补充有关内容,去除肺内转移癌、非癌疾病等,确属原发性肺癌共2007例,其中开始误诊为肺结核, This article analyzes the cases of primary pulmonary tuberculosis misdiagnosed as pulmonary tuberculosis in Beijing, and learns from them to learn lessons and reduce misdiagnosis. 1 Clinical data According to the 1977 to 1982 lung cancer incidence report card in Beijing, each patient in the urban area was visited home and one by one. The report to the hospital was further verified and supplemented. The removal of metastatic cancer and non-cancerous diseases in the lungs was confirmed as a case of primary lung cancer in 2007, in which the diagnosis was initially misdiagnosed as tuberculosis.