What are neurologic findings suggestive of cerebral aneurysms?

Updated: Dec 06, 2018
  • Author: David S Liebeskind, MD, FAAN, FAHA, FANA; Chief Editor: Helmi L Lutsep, MD  more...
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Neurologic findings exhibit considerable variability because of differences in aneurysm characteristics. These findings include the following:

  • Aneurysmal SAH: May be accompanied by nuchal rigidity, decreased level of consciousness, subhyaloid hemorrhages, pupillary abnormalities (ie, typically dilated), ophthalmoplegia, cranial neuropathies, and other focal deficits

  • Giant aneurysms or dolichoectatic aneurysms: May cause mass effects and distal thromboembolism with prominent focal deficits; these aneurysms may also result in optic atrophy or other cranial neuropathies or cause brainstem compression.

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