extracranial pneumatocele


ex·tra·cra·ni·al pneu·mat·o·cele

collection of gas beneath the galea aponeurotica, usually due to fracture into the paranasal sinuses. Synonym(s): extracranial pneumocele

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