周围型肺癌早期症状不明显或轻微,容易延误诊断和误诊。我院1987年8月至1995年8月经胸部Ｘ线片及病理学证实的220例肺癌中,51例曾被误诊为肺结核。结合同期20例疑诊为肺癌的肺结核患者,我们对肺癌的病例特点及误诊原因进行分析,以便提高诊疗水平。1　临床资料1.1　一般资料　51 The early symptoms of peripheral lung cancer are not obvious or slight, and it is easy to delay diagnosis and misdiagnosis. Of 220 cases of lung cancer confirmed by chest X-ray and pathology from August 1987 to August 1995 in our hospital, 51 cases were misdiagnosed as tuberculosis. Combined with 20 pulmonary tuberculosis patients suspected of being diagnosed with lung cancer during the same period, we analyzed the characteristics of cases of lung cancer and the reasons for misdiagnosis so as to improve the level of diagnosis and treatment. 1 Clinical data 1.1 General information 51