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Case report
Dural arteriovenous fistula (D-AVF): a rare cause of symmetrical bithalamic changes with free diffusivity changes
  1. Pervinder Bhogal1,
  2. Oliver Duxbury2,
  3. Prem Rangi3
  1. 1Department of Neuroradiology, The Karolinska University Hospital, Stockholm, Sweden
  2. 2Department of Radiology, Royal Sussex County Hospital, Brighton, UK
  3. 3Department of Neuroradiology, Queen Square, London, UK
  1. Correspondence to Dr Oliver Duxbury, Department of Radiology, Royal Sussex County Hospital, Brighton BN2 5BE, UK; duxburyo{at}doctors.org.uk

Abstract

We report a rare case of an encephalopathic presentation of a posterior fossa dural arteriovenous fistula with concomitant florid symmetrical bithalamic free diffusivity changes on MRI in a previously healthy individual. We describe the structural and functional imaging findings and the role of catheter angiography in diagnosis, prognostication and the timing and strategy in the management of this challenging vascular entity.

  • Arteriovenous Malformation
  • Fistula
  • Posterior fossa
  • MRI

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