Schizencephaly

**Definition:** Cortical malformations characterized by grey matter-lined cleft or cyst that extends from the EPENDYMA often to the PIA MATER outer surface. The grey matter that lines the cleft is often POLYMICROGYRIA. It is associated with developmental delay, motor disturbance and seizures.

**Tree numbers:** - C10.500.507.500.750 - C16.131.666.507.500.750

**Synonyms:** - Schizencephalic Cleft - Schizencephalic Cyst