Presentation
Developmental delay
Patient Data
Age: Child
Gender: Male
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MRI demonstrating abnormal midline structures including:
- hypoplasia or dysgenesis of the posterior two thirds of the corpus callosum
- posterior pituitary signal located in the hypothalamus
- small optic chiasm
- large arachnoid cyst in the left middle cranial fossa
- bilateral periventricular nodular heterotopias more marked in the right
- incomplete fornix on the right
- communication between the frontal horn of the right lateral ventricle and the interhemispheric CSF
Case Discussion
This case nicely illustrates how multiple congenital malformations often co-exist.
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