Craniotomy

Craniotomy
ICD-9-CM01.2
MeSHD003399
eMedicine1890449

A craniotomy is a type of brain surgery where surgeons temporarily remove a portion of the skull to access the brain. Surgeons often perform them to treat serious conditions like brain tumors, hemorrhages, and to remove foreign bodies such as bullets. A craniotomy is different from a craniectomy (in which the skull flap is not immediately replaced, allowing the brain to swell, thus reducing intracranial pressure) and from trepanation, the creation of a burr hole through the cranium into the dura mater.

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