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Dural arteriovenous fistulas associated with benign meningeal tumors

Ananth K Vellimana1, David J Daniels, Manish N Shah

  • 1Department of Neurological Surgery, Washington University School of Medicine, 660 S. Euclid Ave, Campus Box 8057, Saint Louis, MO, 63108, USA, vellimana@gmail.com.

Acta Neurochirurgica
|December 24, 2013
PubMed
Abstract

Insights

Benign meningeal tumors are associated with dural arteriovenous fistulas (dAVFs). This association warrants consideration for additional imaging in patients with meningeal tumors to detect dAVFs.

Area of Science:

  • Neurology
  • Neurosurgery
  • Radiology

Background:

  • Dural arteriovenous fistulas (dAVFs) are typically idiopathic.
  • The co-occurrence of dAVFs with benign meningeal tumors is documented but not well-characterized.

Purpose of the Study:

  • To critically examine the relationship between benign meningeal tumors and dAVFs.

Main Methods:

  • Retrospective review of patient records from two institutions.
  • Identification of patients with coexisting benign meningeal tumors and dAVFs.
  • Analysis of clinical, anatomical, and radiographic characteristics.

Main Results:

  • Ten patients (4.6%) presented with both benign meningeal tumors and dAVFs.
  • Meningioma was the most common tumor type (90%).
  • All identified dAVFs were anatomically related to the meningeal tumor.

Conclusions:

  • Benign meningeal tumors can be associated with dAVFs in both direct and distant anatomical locations.
  • The association suggests potential multifactorial causes for dAVF development in patients with meningeal tumors.
  • Consider additional imaging for dAVFs in meningeal tumor patients if vascular abnormalities are noted on MRI.

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