Cerebral malformations :

1. Agenesis Septum Pellucidum (Septo-Optic displasia)
2. Agenesis Corpus Callosum
3. Arachnoid cyst
4. Subcallosal midline cyst
5. Hydranencephaly
6. Schizencephaly and Porencephaly
7. Holoprosencephaly
8. Lissencephaly