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A craniotomy is a surgical procedure in which a piece of the skull is removed so the surgeon may access the brain beneath. The cut-away portion – called the bone flap – may be small or large, and is typically put back in place after surgery on the brain is finished the incision closed. A craniotomy may be required for the surgical treatment of a variety of neurological/brain disorders, including:
In addition to providing access to the brain, a craniotomy also allows a surgeon to inspect the brain for abnormalities, perform a biopsy or relieve pressure inside the skull. |
