中文摘要：

目的探讨产前超声对胎儿肺囊腺瘤畸形（CCAM）的诊断价值。方法回顾性分析60例孕妇产前超声诊断为CCAM的超声声像图特征。结果 60例中,CCAMⅠ型3例、Ⅱ型20例、Ⅲ型37例。1例隔离肺产前超声误诊为肺囊腺瘤;1例隔离肺合并肺囊腺瘤;2例引产,尸检病理符合诊断。密切随访32例。24例病灶达最大体积后逐渐缩小,其中2例病灶于孕39周前消失。结论产前超声是鉴别诊断CCAM的首选检查方法,便于动态观察,评估预后。

英文摘要：

Objective To investigate the diagnostic value of prenatal ultrasound examination for congenital cystic adenomatoid malformation（CCAM）.Methods The ultrasonographic features of CCAM were retrospectively analyzed in 60 pregnant women,who were diagnosed as CCAM and followed up dynamically till birth.Results Of 60 cases with prenatal ultrasound diagnosis of CCAM,3 cases were type CCAM Ⅰ,20 cases were type CCAM Ⅱ,37 cases were type CCAM Ⅲ.One case with isolated lungs was misdiagnosed as lung cystic adenoma.One case was CCAM accompaned by isolated lungs.Two cases received induced labor and CCAM was confirmed pathologically.Thirty-two patients were closely followed up.The lesions in 24 cases were shrinking during follow up,which in two cases disappeared before 39 weeks of pregnancy.Conclusion Prenatal ultrasonographic examination is the first choice for the diagnosis,dynamic observation and prognosis evaluation of CCAM.