extracranial pneumatocele


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ex·tra·cra·ni·al pneu·mat·o·cele

collection of gas beneath the galea aponeurotica, usually due to fracture into the paranasal sinuses.
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extracranial pneumatocele

A collection of gas under the scalp, caused by a fracture of the skull that communicates with a paranasal sinus.
See also: pneumatocele
Medical Dictionary, © 2009 Farlex and Partners