Which neurological findings suggest 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, depending on aneurysm characteristics.

  • 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 or distal thromboembolism with prominent focal deficits, optic atrophy or other cranial neuropathies, or brainstem compression.

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