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J Neurosci Rural Pract. 2017 Apr-Jun;8(2):291-293. doi: 10.4103/0976-3147.203826.

Dilated Virchow-Robin Spaces Mimicking a Brainstem Arteriovenous Malformation.

Journal of neurosciences in rural practice

Thomas J Buell, Arjun Ramesh, Dale Ding, Daniel M S Raper, Ching-Jen Chen, Robert M Starke, Sugoto Mukherjee, R Webster Crowley

Affiliations

  1. Department of Neurosurgery, University of Virginia Health System, Charlottesville, VA, USA.
  2. Department of Neurological Surgery and Radiology, University of Miami Miller School of Medicine, University of Miami Hospital and Jackson Memorial Hospital, Miami, FL, USA.
  3. Department of Radiology, Division of Neuroradiology, University of Virginia Health System, Charlottesville, VA, USA.
  4. Department of Neurological Surgery, Rush University Medical Center, Chicago, IL, USA.

PMID: 28479813 PMCID: PMC5402505 DOI: 10.4103/0976-3147.203826

Abstract

Virchow-Robin spaces (VRS) are ubiquitous and commonly observed as the resolution of magnetic resonance imaging (MRI) continues to improve. The function of VRS and the etiology of their dilation is still a subject of research. Diagnosing dilated VRS (dVRS) can be challenging because they may appear similar to other pathologies such as cystic neoplasms, infectious cysts, and even arteriovenous malformations (AVMs) on certain MRI pulse sequences. We reported a unique case of brainstem dVRS mimicking an AVM. Furthermore, the extensive pontine involvement of our patient's lesion is rarely described in neurosurgical literature. Understanding the imaging characteristics of dVRS is critical to accurately diagnose these lesions and avoid unnecessary tests and procedures.

Keywords: Arteriovenous malformations; Virchow–Robin spaces; perivascular spaces

Conflict of interest statement

There are no conflicts of interest.

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