肺癌与肺结核在临床症状和X线表现上有某些相似之处，给肺癌的诊断造成困难。我科自1985年元月至1994年12月收住肺结核患者中，经病理证实的肺癌183例，占同期住院病人数的3％，其中40例肺癌误诊，误诊率ZI．9％。现分析如下。资料与方法一、一般资料：本组40例中男28例，女12 Lung cancer and tuberculosis have some similarities in clinical symptoms and X-ray findings, making it difficult to diagnose lung cancer. In our department from January 1985 to December 1994, 183 cases of pulmonary tuberculosis were confirmed by pathology, accounting for 3% of the number of inpatients in the same period, of which 40 cases were misdiagnosed and the rate of misdiagnosis was ZI. 9%. The analysis is as follows. Data and Methods I. General Information: 40 cases of males and 28 females in this group.