Document Detail


Prenatal sonographic findings in 207 fetuses with trisomy 21.
MedLine Citation:
PMID:  17029755     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: The objective was to evaluate the contribution of second trimester ultrasound examination to the prenatal diagnosis of trisomy 21 in 207 fetuses with this aneuploidy. The type and frequency of abnormal sonographic findings were determined. Possible multiple malformation patterns, characteristic of trisomy 21 were sought. STUDY DESIGN: Singleton fetuses that had prenatal sonography during the second trimester, then underwent cytogenetic evaluation in our institution, made up the study population. The sonographic findings of 207 fetuses with trisomy 21 were analyzed. RESULTS: Between 1990 and 2004, fetal karyotyping was performed in 22,150 patients for different indications. An abnormal karyotype was diagnosed in 514 cases (2.3%); among them 207 fetuses with trisomy 21 were detected (40.3%). Abnormal sonography was seen in 63.8% of the cases. Structural anomalies were detected in 28.5% of the trisomy 21 fetuses, among them cardiac defects (15.9%), central nervous system anomalies (14.5%), and cystic hygromas (6.8%) were the most common. Of the minor markers, increased nuchal translucency (28%), pyelectasis (20.3%), and shorter extremities (8.7%) were common findings. CONCLUSIONS: Appropriate diagnosis of structural anomalies, looking for relatively easily detectable minor markers and incorporating fetal echocardiography into the second trimester sonographic protocol, may increase the contribution of mid-trimester ultrasound examination to diagnosing trisomy 21.
Authors:
Csaba Papp; Zoltán Bán; Zsanett Szigeti; Akos Csaba; Levente Lázár; Gy Richard Nagy; Zoltán Papp
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Publication Detail:
Type:  Journal Article     Date:  2006-10-09
Journal Detail:
Title:  European journal of obstetrics, gynecology, and reproductive biology     Volume:  133     ISSN:  0301-2115     ISO Abbreviation:  Eur. J. Obstet. Gynecol. Reprod. Biol.     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-07-23     Completed Date:  2007-11-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375672     Medline TA:  Eur J Obstet Gynecol Reprod Biol     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  186-90     Citation Subset:  IM    
Affiliation:
Department of Obstetrics and Gynecology, Semmelweis University, Faculty of Medicine, 1088 Budapest, Baross u. 27, Hungary. papp@noi1.sote.hu
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MeSH Terms
Descriptor/Qualifier:
Down Syndrome / genetics*,  ultrasonography*
Female
Fetus / abnormalities*
Humans
Karyotyping
Pregnancy
Pregnancy Trimester, Second*
Ultrasonography, Prenatal*

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