摘要
21-三体综合征(Trisomy-21Syndrome)又称唐氏综合征(Down′s Syndrome),属于染色体非整倍体异常中由21号染色体的数目异常所导致的新生儿中最为常见的疾病,发生率占出生婴儿的1/800。21-三体综合征患儿能较长时间存活,早期发现是防止患儿出生的有效措施。随着超声技术的进步以及超声工作者经验的积累,在孕早期或中期,用B超方法筛查染色体非整倍体异常,尤其是作为21-三体综合征患儿产前筛查的手段,日益受到重视并成为研究的热点。
The Tfisomy-21 Syndrome, is also called Down＇s Syndrome, which is a common disase found in neonatus because of numerical abnormality of chromosome 21 in dysploid abnormality, its incidence rate is about 1/800 in whole born infants.Because the infant of Trisomy-21 Syndrome can survive long time,it is an effective measure to to prohibit his born by finding it earlier. With the accumulation of progress in ultraaonie technique and supersonic worker＇ s expericnec,B ultrasonic technique is attracting mere and more, attention and becoming a hot spot,which is used as a method to screen the dysploid abnormality,especially as a method tel antepartum screening of Tfisomy-21 Syndrome in the early or middle phase of the pregnant.
出处
《医学综述》
2006年第8期485-487,共3页
Medical Recapitulate
关键词
21-三体综合征
B超
筛查
Trisomy-21 syndrome
B ultrasound
Screening
