Corpus Callosum Agenesis with Interhemispheric Cyst Associated Foot and Face Anomalies: Radiological Study
Journal Title: PARIPEX-Indian Journal of Research - Year 2016, Vol 5, Issue 5
Abstract
In case of interhemispheric cyst the characteristic imaging triad of asymmetric ventriculomegaly, a large interhemispheric cyst, and partial or complete agenesis of the corpus callosum (ACC) is seen. Most cases were initially referred as aqueduct stenosis and hydrocephalus or focal porencephaly. We describe the imaging findings that identify an absent corpus callosum associated with interhemispheric cyst in newborn initially thought to have hydrocephalus attributable to aqueductal stenosis. The presented case showed mildly symmetric ventriculomegaly on sonography. Computed tomography (CT) imaging was performed. Associated foot and facial abnormalities are also reported. Technological improvements in sonography, CT and magnetic resonance imaging (MRI) allow improved characterization of associated intracranial anomalies in the setting of hydrocephalus. Accurate diagnosis can aid parental counseling, especially because isolated aqueductal stenosis suggests a better prognosis than hydrocephalus with anomalies. Markedly asymmetric ventriculomegaly in most of cases was the key to excluding isolated aqueductal stenosis and was associated with callosal malformation with a type 1a interhemispheric cyst. The presented case is associated with mildly symmetrically ventriculomegaly with complete agenesis of the corpus callosum and midline large interhemispheric cyst instead of markedly asymmetric ventriculomegaly. We also highlighted the associations of foot and facial anomalies.
Authors and Affiliations
Dharmraj Meena
Keywords
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