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Intracranial Aneurysm

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Definition: Abnormal outpouching in the wall of intracranial blood vessels. Most common are the saccular (berry) aneurysms located at branch points in CIRCLE OF WILLIS at the base of the brain. Vessel rupture results in SUBARACHNOID HEMORRHAGE or INTRACRANIAL HEMORRHAGES. Giant aneurysms (>2.5 cm in diameter) may compress adjacent structures, including the OCULOMOTOR NERVE. (From Adams et al., Principles of Neurology, 6th ed, p841)      Other names Mycotic Aneurysm, Intracranial; Giant Intracranial Aneurysm; Cerebral Aneurysm; Brain Aneurysm; Berry Aneurysm; Basilar Artery Aneurysm; Aneurysm, Intracranial; Aneurysm, Cerebral; Mycotic Aneurysms, Intracranial; Intracranial Mycotic Aneurysms; Intracranial Mycotic Aneurysm; Intracranial Aneurysms, Giant; Intracranial Aneurysms; Intracranial Aneurysm, Giant; Giant Intracranial Aneurysms; Cerebral Aneurysms; Brain Aneurysms; Berry Aneurysms; Basilar Artery Aneurysms; Artery Aneurysms, Basilar
 
SubstanceCAS Registry & nameCategoriesSource
Aneurysm, intracranial berry, 2  0   *Intracranial Aneurysm.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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