Corpus callosum dysgenesis(agenesis)

    Newborn with absence of corpus callosum and cavum septi pellucidi.

    Typical sonographic findings: widely separated lateral ventricles bodies at mid-coronal view (fig.1), parallel choroid plexuses of lateral ventricles bodies at the posterior coronal view(fig.2), and absence of cavum septi pellucidi at the mid-sagittal view(fig.3)

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