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Free Content Hemorrhage into an Arachnoid Cyst

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Arachnoid cysts are common, incidentally discovered intracranial masses. They are usually asymptomatic; however, they may occasionally hemorrhage and can be symptomatic if accompanied by increased intracranial pressure. Recognizing this association is essential to making the correct diagnosis, especially in cases with purely intracystic hemorrhage in which blood does not conform to a typical pattern (ie, epidural, subdural, subarachnoid). In addition, surgical intervention may not be required if the patient is asymptomatic.
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Keywords: FLAIR = fluid-attenuated inversion recovery; TSE = turbo spin echo

Document Type: Research Article

Publication date: December 1, 2012

More about this publication?
  • Neurographics is the peer-reviewed, bimonthly educational journal of the American Society of Neuroradiology. The journal comprises articles selected from material presented at the ASNR Annual Meeting. Neurographics also publishes other high-quality submissions that are primarily educational and have a high emphasis on a pictorial approach. Neurographics offers CME credit for reading review articles and completing quiz-based self-assessment activities.

    Visit the ASNR Education Connection to view all available CME courses.

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