Visualization of intracranial translucency at the 11–13‐week scan is improved after specific training

Mangione, R.; Lelong, Nathalie; Fontanges, M.; Amat, S.; Rosenblatt, Jonathan; Khoshnood, Babak; Jouannic, J.‐M.

doi:10.1002/uog.10118

Cited by 29 publications

(21 citation statements)

References 13 publications

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“…Being one of above mentioned markers, absence of intracranial translucency has been suggested to be related to spina bifida, which can be scanned earlier in the first trimester compared to the "lemon" or "banana" sign in the second trimester screening (1-4). Although intracranial translucency measurement is mentioned as reproducible (5,6), it has been shown that specific training increased visualization ratios of intracranial translucency (5). In this study, the retrospective series detection rate was 56-58% versus 91-92% in prospective series, indicating that experience as well as stored planes suitable for NT measurement may not always be suitable for IT visualization (5).…”

Section: Discussionmentioning

confidence: 87%

The nomogram of intracranial translucency in the first trimester in singletons

Ergin¹,

Yayla²

2012

J Turkish German Gynecol Assoc

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Objective: Measurement of intracranial translucency (IT), which is a recent earlier recognizable sonographic marker, has been suggested for detection of spina bifida. In this prospective study we aimed to determine normative values of IT in the population of Turkish singleton pregnant women during the first trimester of pregnancy. Material and Methods:Between January 2011 and July 2011, all consecutive singleton pregnant women were screened for intracranial translucency. Pregnancies were followed until birth. Pregnancies with any detected/suspicious anatomical or genetic fetal anomalies, biochemical abnormalities, increased nuchal translucency measurements, pregnancies of artificial reproduction techniques and anomaly detected at birth were set to be excluded from the data analyses. Mean±standard deviation, median and percentile values of intracranial translucency were calculated. Linear regression analyses were done between the length of intracranial translucency and gestational week and CRL.Results: Data analyses included 201 fetuses. Median maternal age was 31 years. Median CRL was 62 mm. Median gestational week was 12.57 weeks. Median IT value for the first trimester was 1.7 mm (range 1.00-2.40). Calculated formulae are; IT (mm)=[0.237xGestational Week)]-1.27, R 2 =0.302; p<0.001 and IT (mm)=[0.020xCRL (mm)]+0.44, R 2 =0.381; p<0.001). IT measurements increased with increasing CRL and advancing gestational weeks. During follow up none of the fetuses was found to have any anatomical abnormality or anomaly. Conclusion:

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Section: Discussionmentioning

confidence: 87%

The nomogram of intracranial translucency in the first trimester in singletons

Ergin¹,

Yayla²

2012

J Turkish German Gynecol Assoc

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“…Although intraobserver and interobserver differences are reported in the manuel measurement of IT, manuel IT measurements are found reproductible [18] . Specific training of the sonographers also improves the visualization rate of IT [19] .…”

Section: Discussionmentioning

confidence: 99%

“…However College Français d'Echographie Foetale (CFEF) has developed a specific score for IT visualization similar to the nuchal translucency using the eight anatomic landmarks: visualization of the thalamus, the midbrain, the brain stem, the posterior wall of the brain stem, the fourth ventricle, the choroid plexus of the fourth ventricle, the spine [19] .…”

Section: Discussionmentioning

confidence: 99%

Intracranial translucency as a sonographic marker of open spina bifida at first trimester

Kara¹

2014

IJDI

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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 the second trimester, detection rates of open spina bifida by using these signs in the first trimester are low. Intracranial translucency is a new sonographic landmark that may be valuable for the early detection of open spina bifida in the first trimester.In this study using of intracranial translucency as a sonographic marker of open spina bifida at first trimester is discussed with the light of recent literature.

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“…But specifi c training is indispensable if screening using this technique is to be reliable (Fong et al 2011 ;Mangione et al 2011 ).…”

Section: Brain Anomalies Related To Neural Tube Closure Anomaliesmentioning

confidence: 99%

The Normal and Pathological Fetal Brain

Bault

Lœuillet

2015

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Visualization of intracranial translucency at the 11–13‐week scan is improved after specific training

Abstract: Objective To evaluate the ability to confidently identify intracranial translucency (IT)

Cited by 29 publications

References 13 publications

The nomogram of intracranial translucency in the first trimester in singletons

The nomogram of intracranial translucency in the first trimester in singletons

Intracranial translucency as a sonographic marker of open spina bifida at first trimester

The Normal and Pathological Fetal Brain

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