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目的对胎儿消化道闭锁产前超声声像特征进行观察分析,探讨漏诊原因。方法超声确诊的32例消化道闭锁并引产的胎儿进行研究分析,观察其超声声像特征,并与尸体解剖结果进行比较观察,分析其漏诊原因。结果 32例胎儿超声诊断结果显示共出现38处消化道闭锁,其中食管闭锁16例,十二指肠闭锁8例,肛门闭锁10例,空回肠闭锁4例,超声诊断检出率92.1%;尸体解剖诊断32处消化道闭锁,检出率为86.8%。结论加强孕晚期检查,通过超声检查及时发现羊水量异常、畸形胎儿等消化道检查,有助于降低漏诊率。
Objective To observe and analyze the characteristics of prenatal ultrasound imaging of fetal alimentary atresia and to explore the causes of missed diagnosis. Methods Thirty-two cases of fetus with gastrointestinal atresia and induced abortion were diagnosed by ultrasonography. The ultrasonographic features of the fetus were observed and compared with autopsy results. The causes of missed diagnosis were analyzed. Results Thirty-two cases of fetal gastrointestinal atresia were found in 32 cases of fetal ultrasound diagnosis. Esophageal atresia in 16 cases, duodenal atresia in 8 cases, anus atresia in 10 cases and jejunal ileal atresia in 4 cases were detected by ultrasound and 92.1% Anatomical diagnosis of 32 gastrointestinal atresia, the detection rate was 86.8%. Conclusions Intensive gynecological examination in the third trimester of pregnancy, timely detection of abnormal amniotic fluid by fetal ultrasound, malformation fetus and other gastrointestinal tests, help to reduce the rate of misdiagnosis.