craniotomy chartsA craniotomy is a surgical procedure performed under general anesthesia by a neurosurgeon in which the surgeon removes a portion of the skull to access the portion of the brain needed.

Craniotomies can be performed for a number of reasons including:

A craniectomy is a similar procedure, but the skull flap is not immediately replaced after the brain is operated upon. Sometimes the surgeon needs to allow the brain to swell helping to reduce intracranial pressure. Once ICP resolves, the patient will be taken back to surgery to affix the bone flap.