Document Detail

Sonographic depiction of fetal tooth germs.
MedLine Citation:
PMID:  7617579     Owner:  NLM     Status:  MEDLINE    
Recently, sonography of the fetal face has gained increasing importance in prenatal diagnosis. It is not yet clear whether sonographic depiction of fetal tooth germs would have an influence on the prenatal diagnosis of ectodermal dysplasia syndromes. During routine malformation screening, horizontal sections of fetal jaws were visualized and examined for tooth germs in 124 pregnant women following sonographic 'facing'. Histological jaw sections of fetuses that had died in utero at various gestational ages were produced in order to examine the degree of correspondence between the sonographic and histological findings. At least four tooth germs were found in the jaws of all fetuses between 19 and 34 gestational weeks (n = 104). Although jaw visualization was possible between 14 and 18 gestational weeks (n = 20), the exact number and location of the tooth germs could not be determined. Assessment of tooth germs may become increasingly important, as aplasia of the tooth germs is one of the principal signs of various hereditary ectodermal diseases.
M R Ulm; K Chalubinski; C Ulm; B Plöckinger; J Deutinger; G Bernaschek
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Prenatal diagnosis     Volume:  15     ISSN:  0197-3851     ISO Abbreviation:  Prenat. Diagn.     Publication Date:  1995 Apr 
Date Detail:
Created Date:  1995-08-18     Completed Date:  1995-08-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8106540     Medline TA:  Prenat Diagn     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  368-72     Citation Subset:  IM    
Department of Obstetrics and Gynaecology, School of Dentistry, University of Vienna, Austria.
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MeSH Terms
Anodontia / ultrasonography
Ectodermal Dysplasia / ultrasonography
Gestational Age
Mandible / embryology,  ultrasonography
Maxilla / embryology,  ultrasonography
Pregnancy Trimester, Second
Pregnancy, High-Risk
Tooth Germ / embryology*,  ultrasonography*
Ultrasonography, Prenatal*

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