What Is an Air Pocket in the Brain Called?

By Staff WriterLast Updated Mar 30, 2020 2:36:36 PM ET

Pneumocephalus is the medical condition defined as having a pocket of gas, generally air, trapped within the intracranial area. Pneumocephalus is also referred to as an intracranial aerocele or pneumatocele. The most common causes of pneumocephalus are head injury and neurosurgery.