Health Library

Craniotomy - series

Normal anatomy

The brain is located inside the cranium. The cranium is a set of bones which makes up the skull, and protects and holds the brain.

Indication

Brain surgery may be needed to treat:

• Brain tumors
• Bleeding (hemorrhage) or blood clots (hematomas) from injuries (subdural hematoma or epidural hematomas)
• Weaknesses in blood vessels (cerebral aneurysms)
• Damage to tissues covering the brain (dura)
• Pockets of infection in the brain (brain abscesses)
• Severe nerve or facial pain (such as trigeminal neuralgia or tic douloureux)
• Epilepsy

Procedure

The hair on part of the scalp is shaved. An incision is made through the scalp and a hole is drilled through the skull. A piece of the skull may be removed while the brain is being operated on and replaced before the skin is stitched closed. The surgery in which the brain is accessed through the skull is called "craniotomy".

Aftercare

The results depend on the source, severity, and location of the problem.

Review Date: 1/18/2023  

Reviewed By: Luc Jasmin, MD, Ph.D., FRCS (C), FACS, Department of Surgery, Johnson City Medical Center, TN; Department of Maxillofacial Surgery at UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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