先天性巨大肺囊肿较为少见 ,术前确诊有时困难 ,易误诊为其它疾病[1] 。现将经手术病理证实的 7例先天性巨大肺囊肿报告如下。1　临床资料1.1　一般资料　男 6例 ,女 1例。年龄 30～ 5 3岁 ,平均 43病。病变发生在右肺 4例 (上肺 2例 ,下肺 2例 ) ,左肺 3例(上肺 2例 ,下肺 1例 Congenital giant pulmonary cysts are relatively rare, preoperative diagnosis is sometimes difficult and easily misdiagnosed as other diseases [1]. 7 cases of congenital giant pulmonary cysts confirmed by surgery and pathology are reported as follows. 1 clinical data 1.1 General Information 6 males and 1 female. Age 30 ~ 5 3 years old, an average of 43 illnesses. Lesions occurred in the right lung in 4 cases (2 in the upper lung, 2 in the lower lung), 3 in the left lung (2 in the upper lung, 1 in the lower lung