| pneumocele | Synonym: pneumonocele. (05 Mar 2000) |
|---|
| intracranial pneumocele | A collection of gas within the skull, in the brain, or in the meninges. Synonym: intracranial pneumocele. (05 Mar 2000) |
|---|---|
| extracranial pneumocele | Collection of gas beneath the galea aponeurotica, usually due to fracture into the paranasal sinuses. Synonym: extracranial pneumocele. (05 Mar 2000) |