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目的分析13-三体综合征胎儿的中孕期超声表现和在产前诊断中的意义。方法回顾性分析2012年1月-2015年7月在广西壮族自治区妇幼保健院经产前诊断发现的19例中孕期13-三体综合征胎儿产前超声声像图表现。结果 18例(94.7%)胎儿有超声异常发现,均有2个部位以上异常。其中最多见的超声异常为:心脏畸形(84.2%)、颜面部畸形(84.2%)、颅脑畸形(63.1%),其中以无叶全前脑及其引起的中线性颜面部畸形最具特征性表现。结论绝大部分的13-三体综合征胎儿中孕期超声可发现多部位异常,超声系统检查是对13-三体综合征胎儿有效的产前筛查方法。
Objective To analyze the ultrasound manifestations of fetuses during the third trimester of 13-trisomy and their significance in prenatal diagnosis. Methods A retrospective analysis was made on the prenatal ultrasound images of 19 fetuses with gestational trisomy in the prenatal diagnosis of MCH from January 2012 to July 2015 in Guangxi Zhuang Autonomous Region. Results Eighteen patients (94.7%) had abnormal ultrasound findings, and there were more than two abnormalities in the fetus. The most common abnormalities were cardiac malformations (84.2%), facial and facial deformities (84.2%) and craniocerebral malformations (63.1%), of which the non-leaf full forebrain and its central linear facial features were most characteristic Sexual performance. Conclusion Most fetuses in the 13-trisomy syndrome can be found in many parts of the fetus by ultrasound during pregnancy, and the ultrasound system is an effective prenatal screening method for the fetus of 13-trisomy syndrome.