Abstract
Fetal ventriculomegaly refers to a condition in which there is enlargement of the ventricular spaces, typically on prenatal ultrasound. It can be associated with other CNS or extra-CNS abnormalities, and this relationship is crucial to understand as it affects overall neonatal outcome. Isolated ventriculomegaly has been described in the literature with variable clinical outcome. Typically, outcome is based on the etiology and degree of ventriculomegaly. When associated with a pathologic condition, ventriculomegaly can be a result of hydrocephalus. While initial diagnosis is usually made on prenatal ultrasound, fetal magnetic resonance imaging is preferred to further elucidate any associated CNS malformations. In this paper, the authors aim to provide a comprehensive review of the diagnosis, associated etiologies, prognosis, and treatment options related to fetal, neonatal, and pediatric ventriculomegaly and hydrocephalus. In addition, preliminary data is provided from our institutional cohort of patients with a prenatal diagnosis of ventriculomegaly followed through the perinatal period.
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Abbreviations
- CNS:
-
Central nervous system
- ICP:
-
Intracranial pressure
- GA:
-
Gestational age
- MRI:
-
Magnetic resonance imaging
- CT:
-
Computed tomography
- FeMRI:
-
Fetal magnetic resonance imaging
- CSF:
-
Cerebrospinal fluid
- CAS:
-
Congenital aqueductal stenosis
- ETV:
-
Endoscopic third ventriculostomy
- PHH:
-
Post-hemorrhagic hydrocephalus
- VAD:
-
Ventricular access device
- VSG:
-
Ventriculosubgaleal shunt
- LP:
-
Lumbar puncture
- ACC:
-
Agenesis of the corpus callosum
- CC:
-
Corpus callosum
- CIM:
-
Chiari I malformation
- MPS:
-
Mucopolysaccharidoses
- HPE:
-
Holoprosencephaly
- VGM:
-
Vein of Galen malformation
- MMC:
-
Myelomeningocele
- CPC:
-
Choroid plexus cauterization
- DTI:
-
Diffusion tensor imaging
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Patel, S.K., Zamorano-Fernandez, J., Nagaraj, U. et al. Not all ventriculomegaly is created equal: diagnostic overview of fetal, neonatal and pediatric ventriculomegaly. Childs Nerv Syst 36, 1681–1696 (2020). https://doi.org/10.1007/s00381-019-04384-w
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Keywords
- Fetal ventriculomegaly
- Hydrocephalus
- Fetus
- Fetal magnetic resonance imaging
- Myelomeningocele