先天性支气管囊肿是由胚胎发育障碍引起的先天性疾病 ,通常发生在纵隔和肺 ,后者又称为肺囊肿。临床上常无特殊表现。有些影像表现不典型可误诊和漏诊。现将我院自 1992～1998年遇见 5例 (均经手术病理确诊 )结合文献报告如下。例 1　男 ,5 4岁。反复咳嗽、咯血、低热 8个月。 Congenital bronchial cyst is a congenital disease caused by embryonic developmental disorders, usually in the mediastinum and lungs, which is also known as pulmonary cysts. Often no special clinical manifestations. Some images may be atypical misdiagnosis and missed diagnosis. Now our hospital from 1992 to 1998 met five cases (both confirmed by surgery and pathology) combined with the literature report is as follows. Example 1 male, 54 years old. Repeated cough, hemoptysis, fever 8 months.