OC12.08: Absence of intracranial translucency on first trimester screen as a predictor of open neural tube defects
نویسندگان
چکیده
منابع مشابه
Intracranial translucency as a sonographic marker of open spina bifida at first trimester
Spina bifida is the one of the most common severe congenital abnormality of the central nervous system. Scalloping of the frontal bones called “the lemon sign” and caudal displacement of the cerebellum called “the banana sign” are known as cranial signs of open spina bifida on ultrasonography at the second trimester. Although these signs are useful methods in diagnosing of open spina bifida in ...
متن کاملFirst-trimester screening for neural tube defects using alpha-fetoprotein.
OBJECTIVE To assess the potential value of maternal serum alpha-fetoprotein (AFP) at 11-13 weeks' gestation in early screening for fetal neural tube defects (NTDs). METHODS Maternal serum AFP at 11-13 weeks' gestation was measured in 32 cases of fetal NTDs, including 18 cases of acrania and 14 cases of spina bifida, and 1,500 unaffected controls. The measured serum AFP was converted into mult...
متن کاملFirst-trimester screening for Dandy-Walker syndrome using intracranial translucency
Methods During a 3-year period from 2012 and 2015, consecutive women undergoing first-trimester screening for aneuploidy were routine examined for the presence of the IT in the sagittal plane of the fetal head by one FMF-accredited MFM specialist. The anterior-posterior diameter was measured and normative data were generated. Fetuses with increased IT were further studied with serial scans and ...
متن کاملEvaluation of Nuchal Translucency Measuremen in First Trimester Pregnancy
Background A significant number of pregnancies, particularly in women with previous histories of infertility, are associated with fetal abnormalities. Methods such as the nuchal translucency (NT) measurement enable us to identify more pregnancies with chromosomal abnormalities. MaterialsAndMethods This analytic cross-sectional study was performed in 446 pregnant women at 11-14 weeks gestation, ...
متن کاملThe aqueduct of Sylvius: a sonographic landmark for neural tube defects in the first trimester.
OBJECTIVES To describe a new first-trimester sonographic landmark, posterior displacement of the midbrain and aqueduct of Sylvius, which may be useful in early screening for neural tube defects. METHODS This was a prospective study of 457 normal fetuses at 11 + 0 to 13 + 6 weeks' gestation. We measured the distance from the posterior border of the aqueduct of Sylvius to the anterior border of...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2010
ISSN: 0960-7692
DOI: 10.1002/uog.7841