title: Expanding pneumocephalus due to nitrous oxide anesthesia: case report.
mesh_terms: D000328:Adult; D000768:Anesthesia, General / Q000009:adverse effects*; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000601:surgery; D008297:Male; D009609:Nitrous Oxide / Q000009:adverse effects*; D011007:Pneumocephalus / Q000209:etiology*; D013702:Temporal Lobe / Q000098:blood supply
chemical_list: D009609:Nitrous Oxide