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Title
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An objective measurement to diagnose micrognathia on prenatal ultrasound
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Author
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Abstract
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| Purpose: We introduce the frontal naso-mental angle as an objective measurement for the prenatal detection of fetal retrognathia. The aim of this study is to present normal values for the frontal naso-mental angle from 18 to 35 weeks gestational age. Materials and methods: In 81 patients between gestational ages 18 and 35 weeks the frontal naso-mental angle was measured on a profile view of the foetal face. The values were compared with four cases of proven Pierre Robin syndrome. Results: The frontal naso-mental angle is not dependent on gestational age, the mean value is 146.74 degrees, standard deviation 2.7; 5(th) percentile 142 degrees, 95(th) percentile 151 degrees. All four cases of Pierre Robin syndrome demonstrated a significantly lower frontal naso-mental angle below the 5(th) percentile. Conclusion: The frontal naso-mental angle represents an objective way to diagnose retrognathia. |
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Language
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English
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Source (journal)
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Clinical and experimental obstetrics and gynecology. - Padua
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Publication
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Padua
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2008
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ISSN
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0390-6663
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Volume/pages
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35
:2
(2008)
, p. 121-123
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ISI
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000255702500007
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