Type of Surgery
Last updated: 11/24/2009
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"International Subarachnoid Aneurysm Trial (ISAT) of Neurosurgical Clipping versus Endovascular Coiling in 2143 Patients with Ruptured Intracranial Aneurysms: A Randomised Trial."The Lancet 360, no. 9342 (October 2002): 1267.
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An artist's representation of what nerves and nerve bundles look like at the microscopic level. It also shows how the anatomy of a nerve allows it to transmit electrical signals and communicate with other neurons (nerves).
Cerebral aneurysm repair involves corrective treatment of an abnormal blood-filled sac formed by localized expansion of an artery or vein within the brain. These sacs tend to form at the juncture between a primary vessel and a branch. If the vessel involved is an artery, the lesion is also known as a berry aneurysm because of its round, berry-like appearance.
The purpose of the surgical treatment of cerebral aneurysms is to isolate the weakened vessel area from the blood supply. This is commonly done through the strategic placement of small, surgical clips to the neck of the lesion. Thus, the aneurysm becomes isolated from the normal circulation without damaging adjacent vessels or their branches and shrinks in size to become undetectable, a process known as aneurysm obliteration.
Surgery for removal is generally advised for patients with limited cancer elsewhere in the body and a single brain metastasis.
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