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目的:研究产前超声检查对胎儿结构异常的诊断价值,分析漏诊原因及台州地区胎儿畸形状况。方法:回顾性分析台州医院2007年1月～2010年6月52 760例中晚期孕妇的产前超声检查图片。结果:52 760例中,单胎51 687例(97.97%),双胎1 073例(2.03%),共检出胎儿畸形1 245例,检出率为2.36%。1 245例畸形胎儿中,单发畸形1 014例,占81.45%,多发畸形231例,占18.55%。1 245例经引产、尸检及出生后证实,超声漏诊72例,漏诊率5.78%。结论:台州地区胎儿畸形发生率高于国外的平均值,且胎儿畸形种类繁多复杂。产前超声检查采用顺序部位方法进行规范化的检查,胎儿畸形的检出率高。超声检查是诊断胎儿畸形的重要手段,是产前诊断的首选方法,但对于一些小畸形及单纯腭裂、肛门闭锁、生殖系统畸形等漏诊率极高,应引起高度的重视。
Objective: To study the diagnostic value of prenatal ultrasound on fetal structural abnormalities, analyze the causes of missed diagnosis and fetal malformations in Taizhou area. Methods: A retrospective analysis of Taizhou Hospital from January 2007 to June 2010 52 760 cases of pregnant women in the prenatal ultrasound pictures. Results: Of 52 760 cases, 51 687 (97.97%) were singletons and 1 073 (2.03%) were twins. A total of 1 245 fetal malformations were detected, with a detection rate of 2.36%. Among 1 245 malformation fetuses, there were 1 014 cases of single malformations, accounting for 81.45%, and 231 cases of multiple malformations accounting for 18.55%. One hundred and seventy-five cases were confirmed by induction of labor, autopsy and postnatal diagnosis. Ultrasound missed 72 cases, the rate of misdiagnosis was 5.78%. Conclusion: The incidence of fetal malformations in Taizhou area is higher than that of foreign countries, and the variety of fetal malformations is complex. Prenatal ultrasound using sequential site method for standardized examination, the detection rate of fetal malformations high. Ultrasonography is an important method to diagnose fetal malformations and is the preferred method of prenatal diagnosis. However, for some small deformities and simple cleft palate, anal atresia and reproductive system abnormalities, the rate of missed diagnosis should be very high, which should be highly valued.