Surgical management of angiographically occult spinal dural arteriovenous fistulae (Type I spinal arteriovenous malformations): Three technical case reports

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Abstract

OBJECTIVE AND IMPORTANCE: Spinal dural arteriovenous fistulae (Type I spinal arteriovenous malformations [AVMs]) have been recognized as a treatable cause of progressive myelopathy. The diagnosis and characterization of these lesions rest heavily on spinal angiography. CLINICAL PRESENTATION: We present three patients whose clinical presentations were consistent with a spinal dural AVM but whose spinal angiographic results were negative. INTERVENTION: The surgical treatment of these angiographically occult spinal AVMs is described. In retrospect, in each case, the feeding vessel to the AVM was injected but not seen. CONCLUSION: Some spinal dural arteriovenous fistulae will be angiographically occult. If the clinical and radiographic presentations strongly suggest the presence of an arteriovenous fistula, surgical exploration should be considered.

Original languageEnglish (US)
Pages (from-to)891-895
Number of pages5
JournalNeurosurgery
Volume44
Issue number4
Publication statusPublished - Apr 1 1999

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Keywords

  • Dural vascular malformations
  • Magnetic resonance imaging
  • Myelography
  • Spinal angiogra-phy
  • Spinal arteriovenous fistulae
  • Spinal arteriovenous malformations
  • Type I spinal AVMs

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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