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目的分析胎儿桡骨缺失或发育不全畸形产前超声诊断价值。方法 50000例接受产前超声检查的产妇,其中发现胎儿桡骨缺失或发育不全畸形4例,分析胎儿桡骨缺失或发育不全畸形的超声影像学特征,并与引产后X线检查结果进行对比。结果本次分析的4例胎儿超声影像学资料均可见典型的桡骨缺失或发育不全表现,和引产后X线检查结果对比一致。其中单纯左侧桡骨缺失胎儿1例,膈疝合并左侧桡骨缺失胎儿1例,室间隔缺失合并左侧桡骨发育不良胎儿1例,双侧桡骨发育不全合并脐膨出胎儿1例。桡骨缺失Ⅰ型2例,Ⅱ型1例,Ⅲ型1例。结论胎儿桡骨缺失或发育不全畸形产前超声诊断价值较高,可见典型影像学体征,所以加强中期妊娠产妇的超声检查,是降低先天性畸形胎儿出生率的重要手段,值得临床进行推广。
Objective To analyze the value of prenatal ultrasound in the diagnosis of fetal radial deformity or hypoplasia. Methods A total of 50 000 pregnant women undergoing prenatal ultrasound examination were included in the study. Fetal radial defects or hypoplasia were found in 4 cases, and the imaging features of fetal radial defect or hypoplasia were analyzed and compared with X-ray findings after induction of labor. Results The 4 cases of fetal ultrasound imaging data can be seen typical of the performance of radial defect or hypoplasia, and post-natal X-ray examination results are consistent. Among them, only left fetus with radial left absent fetus, diaphragmatic hernia with left radial defect fetus in 1, missing left ventricular septal defect with left radial dysplastic fetus in 1, bilateral radial hypoplasia with umbilical bulging fetus in 1 case. There were 2 cases of type Ⅰ radial defect, 1 case of type Ⅱ and 1 case of type Ⅲ. Conclusions Fetal radial defect or hypoplasia is associated with abnormal prenatal diagnosis of ultrasonography, which shows typical radiologic signs. Therefore, it is an important means to reduce the birth rate of congenital malformation fetus by enhancing the ultrasound examination of mid-term pregnant women. It is worthy of clinical promotion.