我院1976年3月~1984年1月发生肺炎性假瘤误诊为肺癌、结核瘤或包裹性胸腔积液10例,其中男7例,女3例;年龄24~62岁,平均47.4岁,40岁以上者7人.病史1月~1年,平均3月.除1例无临床症状,为体检时发现外,其它有咳嗽、咳痰者5例,咯血者6例,胸痛者6例,发热者4例,周围血白细胞升高者5例. In our hospital from March 1976 to January 1984, there were 10 cases of lung cancer, tuberculoma or encapsulated pleural effusion misdiagnosed as pneumonia pseudotumor. Among them, there were 7 males and 3 females; aged 24 to 62 years, with an average of 47.4 years. 7-year-old patients aged over 4 years, with an average of 3 months. Except 1 patient without clinical symptoms, he was found on physical examination. Others had cough or sputum, 5 cases had hemoptysis, 6 cases had chest pain, and 6 cases had chest pain. 4 cases of fever, 5 cases of elevated peripheral white blood cells.