Dural arteriovenous fistula

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  • A 60-year-old patient presented with headache.
  • An MRI on admission showed a dilated vessel in the posterior fossa with a rim of edema within the cerebellum.
  • Immediately after the MRI, the patient's headache worsened and an CTA showed hemorrhage around the dural arteriovenous fistula that was supplied by the PICA.

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  • A 60-year-old patient presented with headache and ataxia.
  • The arterial phase of the DSA showed an abnormal vessel arising from the PICA draining into a dilated vein.