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Causes
By Mayo Clinic staff
Brain aneurysms develop as a result of thinning and degeneration artery walls. Aneurysms often form at forks or branches in arteries because those sections of the vessel are weaker. Although aneurysms can appear anywhere in the brain, they are most common in arteries at the base of the brain.
- Cerebral aneurysm fact sheet. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/cerebral_aneurysm/detail_cerebral_aneurysm.htm. Accessed April 12, 2009.
- Cerebral aneurysm. American Association of Neurological Surgeons. http://www.neurosurgerytoday.org/what/patient_e/cerebral.asp. Accessed April 12, 2009.
- Singer RJ, et al. Etiology, clinical manifestations, and diagnosis of aneurysmal subarachnoid hemorrhage. http://www.uptodate.com/home/index.html. Accessed April 12, 2009.
- Bendok BR, et al. Cerebral aneurysms and vascular malformations. In: Noseworthy JH, ed. Neurological Therapeutics: Principles and Practice. New York, N.Y.: Martin Dunitz; 2003.
- Singer RJ, et al. Unruptured intracranial aneurysms. http://www.uptodate.com/home/index.html. Accessed April 9, 2009.
- Singer RJ, et al. Screening for intracranial aneurysm. http://www.uptodate.com/home/index.html. Accessed April 9, 2009.
- Soni D. Treatment options for cerebral aneurysm. American Association of Neurological Surgery. http://www.neurosurgerytoday.org/what/patient_e/treatment.asp. Accessed April 12, 2009.
- Rabinstein AA (expert opinion). Mayo Clinic, Rochester, Minn. May 11, 2009.
