Abstract
The objective of this review is to discuss the role of neuroimaging in evaluating pediatric and fetal hydrocephalus based on possible pathophysiologic mechanisms and in the context of differing etiology. Although conventional brain imaging with ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) is commonly used to assess for ventricular enlargement, however, the underlying mechanisms and management of hydrocephalus is a challenge in pediatric population and fetal hydrocephalus. MRI helps define the possible nature of the obstruction, and provides useful functional and anatomic information. MR imaging, in both pediatric and fetal hydrocephalus, thus may help in better understanding of the possible pathophysiologic mechanisms of the varied causal factors. The article focuses on the usage of MRI sequences in both diagnosis and follow-up of pediatric and fetal hydrocephalus, to be able to investigate all possible etiopathogenesis through the CSF pathway and to assess the efficacy of treatment in a non-invasive standardized manner.
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