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Related Experiment Video

Updated: Jul 18, 2025

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
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Choroid plexus arteriovenous malformations: A systematic review.

Patricia Zhao1, Georgios A Maragkos1, Kevin S Livingstone1

  • 1Department of Neurosurgery, University of Virginia Health System, Charlottesville, Virginia, USA.

Journal of Cerebrovascular and Endovascular Neurosurgery
|August 22, 2023
PubMed
Summary

Surgical resection of choroid plexus arteriovenous malformations (AVMs) is effective, with most patients achieving complete AVM removal and symptom improvement. Long-term neurological deficits were uncommon following this treatment for AVMs.

Keywords:
Arteriovenous malformationChoroid plexusEmbolizationResectionSurgery

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Area of Science:

  • Neurosurgery
  • Vascular Neurology
  • Interventional Radiology

Background:

  • Choroid plexus arteriovenous malformations (AVMs) are rare vascular anomalies.
  • Treatment options and outcomes for these lesions require systematic review.

Purpose of the Study:

  • To systematically review reported outcomes and complications of surgical resection and endovascular embolization for choroid plexus AVMs.

Main Methods:

  • Systematic literature review of studies published between January 1975 and July 2021.
  • Inclusion of all studies detailing clinical presentation, management, and outcomes of confirmed choroid plexus AVM cases.
  • Analysis of 20 selected studies, predominantly case reports.

Main Results:

  • Surgical resection was the primary treatment in 90% of cases.
  • Complete AVM resection was achieved in 77.8% of surgically treated patients.
  • Most patients (70%) improved post-treatment, with 78.6% of those with reported sequelae experiencing no long-term neurological deficits.

Conclusions:

  • Gross total resection of choroid plexus AVMs appears to be a safe and effective treatment.
  • Surgical intervention can lead to a significant reduction in preoperative symptoms.
  • Further data is needed due to the limited evidence base for choroid plexus AVM management.