
Pneumocephalus is the presence of air or gas within the cranial cavity. It is usually associated with disruption of the skull: after head and facial trauma, tumors of the skull base, after neurosurgery or otorhinolaryngology, and rarely, spontaneously. Pneumocephalus can occur in scuba diving, but is very rare in this context. If there is a valve ...
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http://en.wikipedia.org/wiki/Pneumocephalus

Presence of air within the skull due to fistulous tract formation, penetrating wounds, fractures, erosions from tumours or infections, surgery, or may occur spontaneously. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973

(noo″mo-sef´ә-lәs) air in the intracranial cavity.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: nū′mō-sef′ă-lŭs Definitions: 1. Presence of air or gas within the cranial cavity.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=70275
No exact match found.