肺癌的发病率在不断提高,我国沿海城市肺癌在男性中已占首位、女性中居第二或第三位,而不典型肺癌又常易误诊。本文对14例原发性肺癌误诊原因进行分析,提出防止误诊对策。1 临床资料1.1 一般资料 男11例,女3例;年龄26～68岁,中位年龄54岁,40岁以下3例。合并有慢性支气管炎7例,肺结核 The incidence of lung cancer continues to increase. The lung cancer in the coastal cities of China has occupied the first place among men and the second or third place among women. The typical lung cancer is often misdiagnosed. This article analyzes the causes of misdiagnosis of 14 cases of primary lung cancer and proposes countermeasures against misdiagnosis. 1 Clinical data 1.1 General information 11 males and 3 females; aged 26 to 68 years, median age 54 years, 3 cases below the age of 40. With 7 cases of chronic bronchitis, pulmonary tuberculosis