>Ginecología y Obstetricia de México
>Year 2014, Issue 04
Buitrago-Leal M, Molina-Giraldo S
Use of intracranial translucency measurement in first trimester, beyond spina bifida
Ginecol Obstet Mex 2014; 82 (04)
PDF: 751.47 Kb.
Background: The intracranial translucency (IT) is described as echolucid
space Iocated in the fetal central nervous system corresponding to the
fourth ventricle. Alteration in the first trimester is associated with neural
tube defects (NTDs).
Objective: To describe as part of the ultrasonographic assessment of the first
quarter, the technical and the normal values of intracranial translucency,
factors that affect its display, variability and reproducibility, diagnostic
operational characteristics (sensitivity and specificity) and other utilities in
the prenatal diagnosis.
Methods: We conducted an electronic search of the literature registered in:
PubMed, Ovid, and ProQuest, between September 2009 and January 2013.
Results: It describes technical and normal values, factors affecting measurement,
intra and inter-observer variability, regarding the screening and
diagnosis of NTDs.
Conclusion: The IT should be included in the checklist of valuable structures
on 11 to 13 6/7 ultrasound; its alteration should be related not just o NTDs
but posterior fossa anomalies
||Intracranial translucency, spine bifida, first trimester screening, prenatal diagnosis.
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>Ginecología y Obstetricia de México
>Year 2014, Issue 04