论文部分内容阅读
妊娠中期,超声检查胎儿颈部增厚,认为是Dowr氏综合征有力的征象。为此作者作了进一步探索。在低危人群中,对孕15～20周孕妇1,704例在作羊水穿刺同时,进行颈部皮肤增厚观察和分析。11例胎儿为Down氏综合征。其发生率为1∶155。其中4例发现颈部(后颈部)皮肤增厚。本组人群发病率较高。而在一般孕妇中发病率为1∶166,30岁以下出生Down氏综合征者为1∶1500。作者进一步探索,在染色体正常胎儿中,能否见到此征象?。对28例羊水穿刺证实染色体正常的胎儿进行超声检查。其中6例胎儿颈部增厚超过5mm,为6～12mm。测量时应注意采用双顶径(BPD)的标准平面,应包含丘脑和第三脑室,测量距点为枕骨外缘至皮肤外缘距离。检查时如果探头角质有倾
In the second trimester, ultrasound examining the fetal thickened neck is considered as a strong sign of Dowr’s syndrome. To this end the author made further exploration. Among the low-risk population, 1,704 pregnant women of 15-20 weeks pregnant were treated with amniotic fluid puncture at the same time, the neck skin thickening observation and analysis. Eleven fetuses were Down’s syndrome. The incidence was 1:155. Four of them found thickening of the neck (back neck). The incidence of this group of people is higher. In general, the incidence of pregnant women is 1:166, 30, Down’s syndrome was born under the age of 1: 1500. The authors further explore whether this sign can be seen in normal fetal chromosomes. 28 cases of amniocentesis confirmed the normal fetus fetal ultrasound examination. 6 cases of fetal neck thickening more than 5mm, 6 ~ 12mm. Measurement should pay attention to the use of biparietal diameter (BPD) standard plane, should include the thalamus and third ventricle, measurement distance from the outer edge of the occipital to the outer edge of the skin distance. Check the horn if the probe is tilted