porencephaly

https://doi.org/10.1351/goldbook.11108

Occurrence of a cyst in the substance of the brain that usually communicates with one of the lateral ventricles.

Note: These abnormal cavities may result from brain tissue destruction or maldevelopment.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 794 [Terms] [Paper]