Frontomaxillary facial angle in fetuses with trisomy 13 at 11 + 0 to 13 + 6 weeks

M. Borenstein, N. Persico, T. Dagklis, E. Faros, K. H. Nicolaides

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Objective: To investigate the frontomaxillary facial (FMF) angle in fetuses with trisomy 13 at 11 + 0 to 13 + 6 weeks of gestation. Methods A three-dimensional (3D) volume of the fetal head was obtained before karyotyping at 11 + 0 to 13 + 6 weeks of gestation in 23 fetuses with trisomy 13. The FMF angle, defined as the angle between the upper surface of the maxilla and the frontal bone in a midsagittal view of the fetal face, was measured and compared to the angle in 500 chromosomally normal fetuses. Results In 10 of 12 (83.3%) fetuses with trisomy 13 and holoprosencephaly, the FMF angle was above the 95th centile of the normal range. In the 11 fetuses with no holoprosencephaly, the FMF angle was not significantly different from normal. There was no significant difference in the FMF angle between the trisomy 13 fetuses with and without facial cleft. Conclusions In fetuses with trisomy 13, the FMF angle at 11 + 0 to 13 + 6 weeks of gestation is increased only in cases with associated holoprosencephaly.

Original languageEnglish
Pages (from-to)819-823
Number of pages5
JournalUltrasound in Obstetrics and Gynecology
Volume30
Issue number6
DOIs
Publication statusPublished - Nov 2007

Fingerprint

fetuses
Fetus
Holoprosencephaly
Pregnancy
Frontal Bone
Karyotyping
Maxilla
Trisomy 13 syndrome
Reference Values
bones
Head

Keywords

  • First-trimester screening
  • Frontomaxillary facial angle
  • Maxilla
  • Three-dimensional ultrasound
  • Trisomy 13

ASJC Scopus subject areas

  • Obstetrics and Gynaecology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Reproductive Medicine
  • Acoustics and Ultrasonics

Cite this

Frontomaxillary facial angle in fetuses with trisomy 13 at 11 + 0 to 13 + 6 weeks. / Borenstein, M.; Persico, N.; Dagklis, T.; Faros, E.; Nicolaides, K. H.

In: Ultrasound in Obstetrics and Gynecology, Vol. 30, No. 6, 11.2007, p. 819-823.

Research output: Contribution to journalArticle

Borenstein, M. ; Persico, N. ; Dagklis, T. ; Faros, E. ; Nicolaides, K. H. / Frontomaxillary facial angle in fetuses with trisomy 13 at 11 + 0 to 13 + 6 weeks. In: Ultrasound in Obstetrics and Gynecology. 2007 ; Vol. 30, No. 6. pp. 819-823.
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