Open lip schizencephaly | Figure 1

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Open lip schizencephaly

Axial T2 (image 1) and inversion recovery (image 2) MRI shows an open lip schizencephaly (arrow) of the right temporal lobe. Schizencephaly is a neuronal migration disorder. It can be categorized as either open or closed lipped. An open lip schizencephaly occurs when there is communication of the cleft with the ventricular system. Schizencephaly is differentiated from porencephaly by presence of gray matter lining the cleft.

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Coronal FLAIR (image 1) and axial T2-weighted (image 2) MRI show a large, open-lipped schizencephaly (arrow) accompanied by a bifrontal arachnoid cyst (arrowhead) and absence of the septum pellucidum. Schizencephaly can be differentiated from porencephalic cysts by the presence of gray matter lining the cleft. The term 'open-lipped' describes when the cleft walls are separated and filled with cerebrospinal fluid.](https://app.figure1.com/case-detail/1e456b44-34c0-4a16-b371-387cd84fa49d)

18 mo with bilateral #Cleft-lip](https://app.figure1.com/case-detail/2a41e08b-b707-4c69-aad7-099af1d6493b)

bilateral open-lipped #Schizencephaly involved the MCA and ACA territories.](https://app.figure1.com/case-detail/89c6b9fb-d91c-45c1-91ca-8c9158f3f33f)

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