PMID: 2506226Jul 1, 1989Paper

Sonography of anencephaly: pitfalls in early diagnosis

Journal of Clinical Ultrasound : JCU
R B GoldsteinP W Callen

Abstract

A case in which the diagnosis of anencephaly was missed on a standard obstetrical sonogram performed at 12.5 menstrual weeks is described. Prompted by this case, we retrospectively reviewed the appearance of the cephalic pole of normal fetuses in 47 pregnancies ranging in menstrual age from 11 weeks to 16 weeks. Results indicate that the abnormal cephalic pole in the index case was similar to the appearance of many normal fetuses of similar menstrual age. We conclude that while anencephaly may be diagnosed as early as 11 menstrual weeks to 12 menstrual weeks, this defect may be difficult to diagnose on sonograms using standard sonographic techniques prior to 14 menstrual weeks.

References

Jun 1, 1979·American Journal of Obstetrics and Gynecology·J C HobbinsM J Mahoney
Jan 1, 1976·Radiology·M E Cunningham, W J Walls
Sep 1, 1985·Journal of Clinical Ultrasound : JCU·A JohnsonS Weiner
Jan 1, 1985·Journal of Computer Assisted Tomography·C VirapongseE S Crelin
Apr 1, 1982·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·F P HadlockS K Park

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Citations

Apr 6, 2002·Journal of Perinatal Medicine·Bernard BenoitTomislav Bozek
Jan 22, 2005·Prenatal Diagnosis·R A MachadoM Zugaib
Feb 17, 2007·American Journal of Medical Genetics. Part C, Seminars in Medical Genetics·Jiri Sonek
Nov 1, 2008·BMC Pregnancy and Childbirth·Daniel SalpouSynnøve Lian Johnsen
Nov 18, 2005·European Journal of Obstetrics, Gynecology, and Reproductive Biology·Synnøve Lian JohnsenTorvid Kiserud
Jun 1, 1992·Journal of Clinical Ultrasound : JCU·Y C YangC H Chien
Jul 1, 1991·Journal of Clinical Ultrasound : JCU·E Ekici, A M Gülmezoglu
Nov 11, 2003·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Daniel Cafici, Waldo Sepulveda

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