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目的探讨18-三体综合征胎儿孕早中期超声异常声像特征。方法回顾性分析经细胞遗传学确诊的33例18-三体综合征胎儿产前超声异常声像。结果 33例18-三体综合征的胎儿产前超声检查均有2项及以上的超声异常。其中18例有心血管系统异常(54.5%),15例有中枢神经系统异常(45.5%),10例有骨骼系统异常(30.3%)。结论产前超声检查发现胎儿多系统的畸形,为产前筛查18-三体胎儿提供了重要临床线索。
Objective To investigate the characteristics of ultrasound abnormalities in the early and middle stages of fetus with 18-trisomy syndrome. Methods Retrospective analysis of 33 cases of prenatal ultrasound abnormalities in fetuses diagnosed by cytogenetics. Results 33 cases of 18-trisomy syndrome fetal prenatal ultrasound examination, there are two or more ultrasound abnormalities. Of these, 18 had cardiovascular abnormalities (54.5%), 15 had central nervous system abnormalities (45.5%) and 10 had skeletal abnormalities (30.3%). Conclusions Prenatal ultrasound examination found that fetal multiple system deformity provided an important clinical clue for prenatal screening of 18-trisomy.