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首页> 外文期刊>The Egyptian Journal of Radiology and Nuclear Medicine >Fetal brain MRI: how it added to ultrasound diagnosis of fetal CNS anomalies-1 year experience
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Fetal brain MRI: how it added to ultrasound diagnosis of fetal CNS anomalies-1 year experience

机译：胎儿脑MRI：如何添加到胎儿CNS异常-1年经验的超声诊断

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Background:Central nervous system (CNS) anomalies are the most commonly diagnosed abnormalities of all fetal malformations and are usually primarily discovered on routine prenatal ultrasonography (US). Fetal magnetic resonance imaging (MRI) is a non-invasive technology with high soft tissue contrast that is documented to increase the diagnostic accuracy for detection of fetal brain anomalies.The aim of our study is to analyze the value of adding magnetic resonance imaging (MRI) of the fetal brain to antenatal ultrasound in the diagnosis of fetal central nervous system (CNS) anomalies.ResultsWe diagnosed various CNS anomalies including twelve cases with infra- and supra-tentorial arachnoid cysts, six cases had Dandy-Walker malformation (DWM) and its variants, 1 case with mega cisterna magna, 2 cases of holoprosencephaly, 1 case of hydranencephaly, 2 cases with supratentorial hydrocephalus, 1 case of craniopharyngioma, 6 cases with corpus callosum (CC) agenesis, 1 case of extradural hematoma, and 8 cases with Meckel-Gruber syndrome (MGS). MRI diagnosis confirmed the ultrasound finding, without additional information in 23 cases (57.5%%), added an extra finding in 11 cases (27.5%), differentiated between 2 pathologies in 3 cases (7.5%), and changed the diagnosis in 3 cases (7.5 %).The 40 pregnancies resulted in 27 births (67.5%), 2 died directly after birth (5%), 7 terminations (17.5%), and 4 intrauterine fetal deaths (IUFD) (10 %).ConclusionUltrasound is the gold standard imaging modality for anomaly scan in the second and third trimesters; however, MRI of the fetal brain might be a clinically valuable complement especially when ultrasound examination is inconclusive due to maternal obesity, severe oligohydramnios, or in complicated cases with unclear diagnosis.
机译：背景：中枢神经系统（CNS）异常是所有胎儿畸形的最常见诊断的异常，通常主要在常规产前超声（US）上发现。胎儿磁共振成像（MRI）是一种具有高软组织对比的非侵入性技术，其记录为增加胎儿脑异常检测的诊断准确性。我们研究的目的是分析添加磁共振成像的值（MRI ）在胎儿中枢神经系统（CNS）异常中的胎儿脑中的产前超声。诊断出各种CNS异常，包括有12例患有的Infra-和Supra-Tracknoid囊肿，六个案例有令人助长的畸形（DWM）和它的变种，1例兆塞氏菌Magna，2例全华畸形，1例患者患者，2例患者脑膜脑病，1例颅咽管瘤，6例胼callosum（cc）血肿，1例外血肿，8例与Meckel-Gruber综合征（MGS）。 MRI诊断证实超声发现，23例（57.5 %%）没有其他信息，增加了11例（27.5％）的额外发现，在3例（7.5％）之间有2例（7.5％），并在3例中改变了诊断（7.5％）。40名妊娠导致27个出生（67.5％），2分，出生后直接死亡（5％），7个终止（17.5％）和4个宫内胎儿死亡（IUFD）（10％）。结论是在第二和第三个三粒子中的异常扫描金标准成像模型;然而，胎儿脑的MRI可能是临床价值的补充，特别是当超声检查由于母体肥胖，严重的少洛米罗姆斯或复杂诊断的复杂病例而不确定。

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