1981年1月～1987年6月,我院收住的肺肿瘤误诊396例,就其误诊原因加以分析。临床资料一、一般资料:男294例,女102例,男女之比为2.88:1;最小18岁,最大76岁,小于20岁1例,21～30岁9例,31～40岁41例(10.35％),41～50岁90例(22.73％),51～60岁174例(43.94％),60岁以上81例(20.46％)。肿瘤高发年龄为41～60岁。二、肺肿瘤确诊方法:以纤维支气管镜(下称纤支镜)确诊244例(占61.6％),手术证实51(12.9％), From January 1981 to June 1987, 396 lung cancer patients admitted to our hospital were misdiagnosed, and their causes of misdiagnosis were analyzed. Clinical data First, the general information: 294 males and 102 females, the ratio of men to women was 2.88: 1; the youngest 18 years old, the largest 76 years old, less than 20 years old in 1 case, 21 to 30 years in 9 cases, 31 to 40 years old in 41 cases (10.35%), 90 cases (22.73%) from 41 to 50 years old, 174 cases (43.94%) from 51 to 60 years old and 81 cases (20.46%) over 60 years old. High incidence of tumor age 41 to 60 years old. Second, the diagnosis of lung cancer: fiber bronchoscopy (hereinafter referred to as bronchoscopy) confirmed 244 cases (61.6%), 51 (12.9%) confirmed by surgery,