膈膨出系一种少见病。按病因可分为先天性和后天性 [1 ]。前者在临床上常无症状 ,但当合并肺部及其它疾患时 ,临床医生易将升高的膈误诊为胸膜炎、肺炎等。为减少误诊 ,现将我们收治的误诊 6例报告如下。1　临床资料1.1　一般资料　均为男性 ,年龄 43～ 6 8岁 ,平均 5 7岁。多 Diaphragmatic bulging is a rare disease. According to the cause can be divided into congenital and acquired [1]. The former often clinically asymptomatic, but when the merger of the lungs and other diseases, clinicians easily misdiagnosed as elevated pleural pleurisy, pneumonia and so on. In order to reduce misdiagnosis, we now report 6 cases of misdiagnosis as follows. 1 Clinical data 1.1 General information are men, aged 43 ~ 68 years old, with an average of 57 years old. many