Type of Surgery
In a craniotomy, the skin over a part of the skull is cut and pulled back (A). Small holes are drilled into the skull (B), and a special saw is used to cut the bone between the holes (C). The bone is removed, and a tumor or other defect is visualized and repaired (D). The bone is replaced (E), and the skin closed (F). (Illustration by GGS Inc.)
Other Information
The most common spine procedure is Lumbar Disc laminectomy, with 185,651 performed in 2006. The second highest category is Cranial, with 592,443 procedures performed and the most common Cranial procedure is Supratentorial Craniotomy, with 55,578 performed.
From: AANS
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