Venous hypertension associated with a posterior fossa dural arteriovenous fistula: Another cause of bithalamic lesions on MR images

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Abstract

We report a case of a posterior fossa arteriovenous fistula (AVF) with bithalamic hyperintensity on MR images. The thalamic abnormality improved after surgery, suggesting reversible venous hypertension as the pathogenesis of the finding, as opposed to infarction. This manifestation of a posterior fossa AVF should be considered in the differential diagnosis of bilateral thalamic disease.

Original languageEnglish (US)
Pages (from-to)145-147
Number of pages3
JournalAmerican Journal of Neuroradiology
Volume20
Issue number1
StatePublished - 1999

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Central Nervous System Vascular Malformations
Arteriovenous Fistula
Thalamic Diseases
Hypertension
Infarction
Differential Diagnosis

All Science Journal Classification (ASJC) codes

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

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abstract = "We report a case of a posterior fossa arteriovenous fistula (AVF) with bithalamic hyperintensity on MR images. The thalamic abnormality improved after surgery, suggesting reversible venous hypertension as the pathogenesis of the finding, as opposed to infarction. This manifestation of a posterior fossa AVF should be considered in the differential diagnosis of bilateral thalamic disease.",
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