title: Pneumocephalus as a complication of posterior fossa surgery in the sitting position.
abstract: A case of pneumocephalus complicating posterior fossa surgery in the sitting position is presented. Rapid diagnosis was obtained by computerised tomography. This condition should be suspected whenever a patient demonstrates delayed recovery or neurological deficit after craniotomy and nitrous oxide anaesthesia. The literature on the subject is reviewed.
mesh_terms: D002528:Cerebellar Neoplasms / Q000601:surgery*; D006394:Hemangiosarcoma / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011007:Pneumocephalus / Q000209:etiology*; D011183:Postoperative Complications; D011187:Posture