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reference materials

Neurosurgery for Cerebral Aneurysm

key information

source: Medscape

year: 2016

authors: Jonathan L Brisman


The word aneurysm comes from the Greek word aneurysma (“dilatation”). An aneurysm is an abnormal local dilatation in the wall of a blood vessel, usually an artery, that develops as a consequence of a defect, disease, or injury.

The common causes of intracranial aneurysm include hemodynamically induced or degenerative vascular injury, atherosclerosis (typically leading to fusiform aneurysms), underlying vasculopathy (eg, fibromuscular dysplasia [FMD]), and high-flow states, as in arteriovenous malformation (AVM) and fistula. Uncommon causes include trauma, infection, drugs, and neoplasms (primary or metastatic).

This article reviews the types, pathology, clinical picture, and management of intracranial aneurysms.

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