PubMed Journals Articles About "Fetal Posterior Fossa Prenatal Ultrasound Imaging Normal Longitudinal" RSS

00:26 EST 27th January 2020 | BioPortfolio

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Showing "Fetal Posterior Fossa Prenatal Ultrasound Imaging Normal Longitudinal" PubMed Articles 1–25 of 18,000+

The Fetal Posterior Fossa on Prenatal Ultrasound Imaging: Normal Longitudinal Development and Posterior Fossa Anomalies.

Fetal neurosonography and the assessment of the posterior fossa have gained in importance during the last 2 decades primarily due to the development of high-resolution ultrasound probes and the introduction of 3 D sonography. The anatomical development of the posterior fossa can be visualized well with the newest ultrasound technologies. This allows better knowledge of the anatomical structures and helps with understanding of the development of malformations of the posterior fossa. In this article the lon...

Quantitative fetal MRI assessment of cystic posterior fossa malformations.

Normal cognitive development usually requires a structurally intact and complete cerebellar vermis. This study evaluated whether fetal magnetic resonance imaging (MRI) quantification of vermis- and brainstem-specific imaging markers improves subgroup definition in cystic posterior fossa malformations (cPFM).

Diagnosis of Fetal Posterior Fossa Malformations in High-Risk Pregnancies at 12-14 Gestational Weeks by Transvaginal Ultrasound Examination.

To demonstrate sonographic detectable abnormalities of the posterior fossa in fetuses with a crown-rump length of 45-84 mm in high-risk pregnancies.

Complete Title: The added value of screening fetal echocardiography after normal cardiac views on a detailed ultrasound.

Evaluate fetal echocardiography's ability to detect critical (lesions requiring immediate neonatal intensive care) congenital heart disease (CHD) after normal anatomic cardiac views on detailed ultrasound.

Association between postoperative DTI metrics and neurological deficits after posterior fossa tumor resection in children.

Resection of posterior fossa tumors in children may be associated with persistent neurological deficits. It is unclear if these neurological deficits are associated with persistent structural damage to the cerebellar pathways. The purpose of this research was to define longitudinal changes in diffusion tensor imaging (DTI) metrics in white matter cerebellar tracts and the clinical correlates of these metrics in children undergoing resection of posterior fossa tumors.

Prenatal whole exome sequencing detects a new homozygous fukutin (FKTN) mutation in a fetus with an ultrasound suspicion of familial Dandy-Walker malformation.

Posterior fossa malformations are among the most diagnosed central nervous system (CNS) anomalies detected by ultrasound (US) in prenatal age. We identified the pathogenic gene mutation in a male fetus of 17 weeks of gestation with US suspicion of familial Dandy-Walker spectrum malformation, using Next Generation Sequencing approach in prenatal diagnosis.

Laser Interstitial Thermal Therapy to the Posterior Fossa: Challenges and Nuances.

Posterior fossa tumors are rare in adults and pose a challenge to treat due to the bony contour of the posterior fossa, complex anatomical structures including deep venous sinuses, and the proximity of the fourth ventricle and brain stem. We describe our experience with LITT for the management of brain metastases and radiation necrosis of the posterior fossa.

Ultrasound accuracy in prenatal diagnosis of abnormal placentation of posterior placenta previa.

To evaluate the accuracy of ultrasound in prenatal diagnosis of Placenta accrete spectrum disorders in patients with posterior placenta previa, and to assess the impact of prenatal diagnosis in our population.

Role of prenatal magnetic resonance imaging in fetuses with isolated mild or moderate ventriculomegaly in the era of neurosonography: a multicenter study.

To assess the role of fetal magnetic resonance imaging (MRI) in detecting associated anomalies in fetuses presenting with mild and moderate isolated ventriculomegaly (VM) undergoing multiplanar ultrasound (US) evaluation of fetal brain.

Impact of prenatal ultrasound diagnosis for fetal renal abnormalities: Study Protocol.

This study will evaluate diagnostic accuracy and management outcome studies involving patients assessed with prenatal ultrasound diagnosis (PUD) for fetal renal abnormalities (FRA).

Fetal Phenotypes Emerge as Genetic Technologies Become Robust.

Prenatal genomic evaluation of the fetus is available at decreasing cost and with a faster turnaround time. However, fetal genotype-phenotype correlations are in their infancy. By comparison, pediatric and adult genotype-phenotype databases are well-established and publicly accessible. A similar system for fetal genomics is lacking. When a fetal anomaly is identified by ultrasound imaging, a genetic diagnosis provides important information. However, fetal prognostic counseling is problematic if the only ava...

A comparison of the accuracy of fetal MRI and prenatal ultrasonography at predicting lesion level and perinatal motor outcome in patients with myelomeningocele.

Prenatal imaging has several critical roles in the diagnosis and management of myelomeningocele, including specific family counseling and the selection of fetal surgery or postnatal repair. In this study, the authors compared the accuracy of fetal MRI and prenatal ultrasonography (US) in predicting the spinal lesion level and assessed the correlation between imaging findings and motor function as independently evaluated by a physical therapist (PT) after birth.

Free-breathing fetal cardiac MRI with doppler ultrasound gating, compressed sensing, and motion compensation.

Fetal cardiovascular MRI complements ultrasound to assess fetal cardiovascular pathophysiology.

Is fetal magnetic resonance imaging indicated in patients with isolated ventriculomegaly?

Ventriculomegaly is one of the most common anomalies encountered at obstetric ultrasound and it necessitates follow up. Fetal magnetic resonance imaging (MRI) can be used to confirm the ultrasound diagnose or to detect additional anomalies. Aim of this study is to assess follow up and management of fetal ventriculomegaly shown by ultrasound, and to evaluate additional diagnostic contribution of MRI.

Prenatal exposure to bisphenol a and its analogues (bisphenol F and S) and ultrasound parameters of fetal growth.

Bisphenol A (BPA) has been shown to affect normal fetal growth, but human evidence on its analogues (BPF and BPS) is limited.

Clubfoot Versus Positional Foot Deformities on Prenatal Ultrasound Imaging.

Clubfoot and positional foot deformities (eg, pes spinatus) may have the same aspects on prenatal ultrasound (US) imaging. Nevertheless, differentiating these entities is essential because their prognoses are different. This pictorial review illustrates the US findings of clubfoot and positional foot deformities. On the basis of clinical postnatal images, we describe a prenatal US technique that could give an accurate diagnosis. In this essay, we demonstrate that when a foot malposition is suspected, a syst...

Machine Learning in Fetal Cardiology: What to Expect.

In fetal cardiology, imaging (especially echocardiography) has demonstrated to help in the diagnosis and monitoring of fetuses with a compromised cardiovascular system potentially associated with several fetal conditions. Different ultrasound approaches are currently used to evaluate fetal cardiac structure and function, including conventional 2-D imaging and M-mode and tissue Doppler imaging among others. However, assessment of the fetal heart is still challenging mainly due to involuntary movements of the...

Using three-dimensional ultrasound in predicting complex gastroschisis: a longitudinal, prospective, multicenter cohort study.

To determine whether complex gastroschisis (i.e. intestinal atresia, perforation, necrosis or volvulus) can prenatally be distinguished from simple gastroschisis by fetal stomach volume and stomach-bladder distance, using three-dimensional (3D) ultrasound.

Imaging of Fetal Tumors and Other Dysplastic Lesions: A Review with Emphasis on MR Imaging.

Fetal tumors and other dysplastic masses are relatively rare. They are usually the result of failure of differentiation and maturation during embryonic or fetal life; dysplastic lesions may be the consequence of an obstruction sequence. In this review we present the most commonly encountered tumors and masses seen during fetal life. Imaging characteristics, tumoral organ of origin, and its effect on the surrounding organs and overall fetal hemodynamics are descriptors that must be relayed to the fetal surge...

Updated DEGUM Quality Requirements for the Basic Prenatal Screening Ultrasound Examination (DEGUM Level I) between 18 + 0 and 21 + 6 weeks of gestation.

A precondition for the early detection of fetal abnormalities is the high quality of prenatal basic ultrasound (screening examination). The objective of ultrasound screening is the recognition of abnormal fetal growth and fetal anatomical anomalies. The prenatal detection of fetal abnormalities enables detailed prenatal counselling of parents, improved care at birth and potentially a reduction in morbidity and mortality. In the guidelines for maternity care in Germany ("Mutterschaftsrichtlinien"), the perfo...

Prenatal diagnosis of fetal bowel strangulation.

It has been well established that the appearance of pseudocysts and polyhydramnios are typical signs indicative of fetal bowel stenosis/obstruction. However, the characteristic ultrasonographic findings that distinguish it from fetal bowel strangulation are rarely reported. This article is protected by copyright. All rights reserved.

Timing of Prenatal Magnetic Resonance Imaging in the Assessment of Congenital Diaphragmatic Hernia.

Fetal magnetic resonance imaging (MRI) has been used to stratify severity of congenital diaphragmatic hernia (CDH) after ultrasound diagnosis. The purpose of this study was to determine if timing of MRI influenced prediction of severity of outcome in CDH.

Cone-Beam Computed Tomography Evaluation of the Submandibular Fossa in a Group of Dental Implant Patients.

In the mandibular posterior region, presurgical imaging can provide valuable information of anatomical variants. The aim of this study is to evaluate submandibular fossa anatomy in the posterior mandible using cone-beam computed tomography (CBCT) scans.

Benign Postnatal Outcome after Prenatal Diagnosis of Fetal Ventriculomegaly with Choroid Plexus Hyperplasia: A Case Report.

Prenatal counselling following the diagnosis of fetal ventriculomegaly is challenging. Fetal MRI (magnetic resonance imaging) can be helpful in characterizing ventriculomegaly severity and associated anomalies, hence contributing to prognosis establishment. Choroid plexus hyperplasia (CPH) is a rare entity characterized by enlargement of the choroid plexuses, usually progressing to severe hydrocephalus with an associated poor outcome. We present a case of CPH diagnosed by fetal MRI at 23 weeks of gestation ...

Exome Sequencing for Prenatal Detection of Genetic Abnormalities in Fetal Ultrasound Anomalies: An Economic Evaluation.

In light of the prospective Prenatal Assessment of Genomes and Exomes (PAGE) study, this paper aimed to determine the additional costs of using exome sequencing (ES) alongside or in place of chromosomal microarray (CMA) in a fetus with an identified congenital anomaly.

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