我院住院及门诊病人中,有较完整的病史记录,经病理组织学和脱落细胞学确诊为肺癌者100例,其中误诊为其它疾病者31例,误诊率为31%。兹将误诊原因分析如下。一、症状轻微或不典型早期肺癌有无呼吸道症状及症状的程度与肿瘤的发生部位有关。中心型肺癌,因破 Among the hospitalized and outpatient patients in our hospital, there was a complete history record of 100 cases of lung cancer diagnosed by histopathology and exfoliative cytology, of which 31 cases were misdiagnosed as other diseases with a misdiagnosis rate of 31%. The reason for misdiagnosis is as follows. First, the symptoms are mild or atypical Early lung cancer with or without respiratory symptoms and symptoms of the extent and location of the tumor. Central lung cancer, due to broken