Ultrasonographic Findings of Ventriculomegaly in 2nd And 3rd Trimester with Fetal Outcomes (original) (raw)
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Donald School Journal of Ultrasound in Obstetrics and Gynecology, 2007
The causes of fetal ventriculomegaly vary. Ventriculomegaly can be caused by not only obstruction of cerebrospinal flow tract but also brain maldevelopment or other reasons. Recent advanced imaging technology and approaching technique of transvaginal sonography have contributed to an accurate prenatal diagnosis and clearly revealed fetal intracranial condition. However, management of the condition and counseling of parents are still difficult, because the initial cause, absolute risk, and degree of resulting neurological deficit cannot be determined with confidence. Ventriculomegaly is evaluated according to atrial width > 10 mm and mild ventriculomegaly is defined as an atrial width of 10 to 15 mm. In ventriculomegaly cases, accurate detection of intracranial structure and additional abnormalities is required. Furthermore, ventriculomegaly may resolve spontaneously or progress during pregnancy. Therefore, detailed neuroscan by advanced imaging technology, detailed extra-CNS scan...
A Rare Case of Late First Sonographic Appearance of Fetal Ventriculomegaly in The 3rd Trimester
Annals of Case Reports, 2019
We present a rare case of fetal ventriculomegaly initially diagnosed at 37 weeks of gestation in an otherwise uncomplicated pregnancy of a 30-years-old primigravida. During a growth scan arranged at 37 weeks of gestation in order to determine the placental position and fetal lie, both lateral brain ventricles were found to be severely dilated, approximately 16 mm. No other markers of chromosomal abnormalities or major structural defects were identified on the scan. Our case highlights the importance of a more detailed brain assessment in case that 3rd trimester sonographic evaluations are undertaken. In the literature, no case of fetal ventriculomegaly diagnosed via ultrasound later than 36 weeks has been documented. Fetal brain is probably the only fetal structure that continues to develop significantly throughout late gestation and sonographers and clinicians should take advantage of these fetal imaging advances in all pregnancy trimesters for parental reassurance and optimal fetal development.
American Journal of Neuroradiology, 2014
BACKGROUND AND PURPOSE: Accurate measurement of the lateral ventricles is of paramount importance in prenatal diagnosis. Possible conflicting classifications caused by their measurement in different sectional planes by sonography and MR imaging are frequently raised. The objective of our study was to evaluate the agreement between ultrasonography and MR imaging in the measurement of the lateral ventricle diameter in the customary sectional planes for each technique. MATERIALS AND METHODS: Measurement of both lateral ventricles was performed prospectively in 162 fetuses from 21 to 40 weeks of gestational age referred for evaluation due to increased risk for cerebral pathology. The mean gestational age for evaluation was 32 weeks. The measurements were performed in the customary plane for each technique: axial plane for sonography and coronal plane for MR imaging. RESULTS: The 2 techniques yielded results in substantial agreement by using intraclass correlation and coefficient score tests. When we assessed the clinical cutoff of 10 mm, the score was 0.94 for the narrower ventricle and 0.84 for the wider ventricle, expressing almost perfect agreement. The Bland-Altman plot did not show any trend regarding the actual width of the ventricle, gestational week, or interval between tests. Findings were independent for fetal position, sex, and indication for examination. CONCLUSIONS: Our study indicates excellent agreement between fetal brain ultrasonography and MR imaging as to the diagnosis of fetal ventriculomegaly in the customarily used sectional planes of each technique.
Mild cerebral ventriculomegaly in fetuses: characteristics and outcome
Fetal diagnosis and therapy
A fetal ultrasonographic (US) finding of mild ventriculomegaly (MVM) is not uncommon, but its prognostic significance is not clearly defined. To evaluate the clinical and US characteristics and outcome of fetuses with mild dilatation of the cerebral lateral ventricles. We reviewed the medical records of 34 consecutive fetuses with US evidence of MVM (atrial width of the lateral ventricles = 10-15 mm) at 18-35 weeks of gestation. Of the 34 fetuses with MVM, 7 underwent karyotype examination and were normal. In 4 of the 34 fetuses the pregnancy was terminated (at autopsy: 1 was normal, 2 had hydrocephalus and for 1 the parents refused autopsy). Eight fetuses that were delivered had congenital malformations; 3 of them died during the early neonatal period. In 6 of the 8 fetuses with malformations, karyotypes were available and 3 had chromosomal aberrations (trisomy 18, 45XO, and triploidy 69XXX). Spontaneous in utero resolution of the MVM occurred in 10/30 (33.3%) of the cases. Of the ...
Management of ventriculomegaly in the fetus
The Journal of Pediatrics, 1984
Abstract With recent improvements on obstetrical ultrasound, abnormal enlargement of the human fetal cerebral ventricles (ventriculomegaly) is being detected more frequently. Several problems, however, remain unsolved. The relationship between ventriculomegaly ...
Etiology and Prognosis of Severe Ventriculomegaly Diagnosed at Late Gestation
Ultraschall in der Medizin (Stuttgart, Germany : 1980), 2018
We sought to assess the causes and outcomes of severe VM diagnosed de novo after 24 weeks of gestation where a mid-trimester anomaly scan was described as normal. Multicenter retrospective study of five European fetal medicine centers. The inclusion criteria were normal anatomy at the mid-trimester scan, uni/bilateral finding of posterior ventricle measuring ≥ 15 mm after 24 weeks with neonatal and postnatal pediatric and/or neurological assessment data. Of 74 potentially eligible cases, 10 underwent termination, the outcome was missing in 19 cases and there was 1 neonatal death. Therefore, 44 formed the study cohort with a median gestation at diagnosis of 32 + 0 weeks (25 + 6 - 40 + 5). VM was unilateral in five cases. Agenesis of the corpus callosum (ACC) and grade III/IV intraventricular hemorrhage (IVH) accounted for 14 cases each. ACC was isolated in 9 fetuses. Obstructive abnormalities included 5 arachnoid and 1 cavum velum interpositum cyst. Four fetuses had an associated ...
Moderate associated fetal ventriculomegaly: prenatal diagnosis
International Journal of Research in Medical Sciences
Ventriculomegaly (VM) is a descriptive term, indicating the enlargement of the ventricles of the brain. We present the case of a 32-year-old primiparous women, at 18 weeks of pregnancy, who was referred in our clinic for a routine prenatal ultrasound examination. The ultrasound scan highlighted a single malformed fetus with several major abnormalities of the fetal head: hypoplastic nasal bone, agenesis of corpus callosum, choroid plexus hyperplasia, solid hypoechoic mass on the external wall of the left ventricle, no visible cavum septum pellucidum, third ventricle visible, moderately enlarged and VM with evolution to bilateral hydrocephalus. The parents were informed about the major severity of anomalies and decide to terminate the pregnancy. Prenatal ultrasound examination was decisive in the early prenatal diagnosis and optimized management of the malformed fetus with VM.
Proceedings in Obstetrics and Gynecology
Objective: Intrauterine fetal ventriculomegaly (IVM) is one of the most commonly detected fetal anomalies. Prenatal diagnosis in IVM is considered a challenge with a significant impact on management. The current study aims to evaluate the added value of performing fetal MRI to sonographically diagnosed IVM. Methods: A prospective cohort study was conducted at a tertiary University Hospital in the period between January 2017 and March 2019. We included pregnant women with a single fetus sonographically diagnosed IVM (symmetrical or asymmetrical). First, a basic obstetric sonographic examination was done, followed by a detailed (2D/3D) fetal CNS anomaly scan for the detection of other associated anomalies. A fetal MRI brain scan was performed for all cases. Results: Sixty women were included in the study. Of the 60 fetuses with IVM, additional findings were seen on MRI in 14 cases (23%), and most of these findings were identified in fetuses with severe IVM (about 50%). No additional a...