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Steal Phenomenon with Tonsillar Arteriovenous Malformation

  • Author(s): Amin, Manish
  • Chaddha, Krishan
  • Aguìñiga-Navarrete, Phillip
  • Challa, Sudha
  • Garrett, Madison B.
  • et al.
Abstract

Cranial vascular malformations can cause symptoms of headache, stroke, transient ischemic attack, or other cerebrovascular disorders due to steal phenomenon. Subclavian steal phenomenon is a localized change in cerebral perfusion from a cranial arteriovenous malformation (AVM). We present the only recorded case of a tonsillar AVM causing a transient ischemic attack due to steal phenomenon.

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