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Related Experiment Videos

Cerebral giant aneurysm with extensive vasogenic edema

K Yamada1, D A Shrier, H Tanaka

  • 1Department of Diagnostic Radiology, University of Rochester Medical Center, NY 14642-8648, USA.

Radiation Medicine
|November 14, 1998
PubMed
Summary

A giant intracranial aneurysm presented unusually with sudden headache and seizures in a 58-year-old woman. CT scans revealed a lesion causing significant vasogenic edema in the middle cranial fossa.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Radiology

Background:

  • Giant intracranial aneurysms are rare vascular malformations.
  • Aneurysm rupture can cause subarachnoid hemorrhage, but presentation varies.
  • This case highlights an atypical presentation without overt rupture.

Observation:

  • A 58-year-old woman experienced sudden headache and generalized seizures.
  • Computed tomography (CT) revealed a high-density lesion in the middle cranial fossa.
  • Extensive vasogenic edema was noted surrounding the lesion.

Findings:

  • The imaging findings suggest a giant intracranial aneurysm as the likely cause.
  • The presence of extensive vasogenic edema is an unusual finding.
  • Mechanisms contributing to edema formation are explored.

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Implications:

  • This case expands the understanding of giant intracranial aneurysm presentations.
  • It underscores the importance of considering aneurysms in atypical neurological symptoms.
  • Further research into edema mechanisms in aneurysms is warranted.