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Related Experiment Video

Updated: Jun 23, 2026

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Published on: October 20, 2017

Spinal arteriovenous malformation associated with syringomyelia.

Kittipong Srivatanakul¹, Dittapong Songsaeng, Augustin Ozanne

¹Service de Neuroradiologie Diagnostique et Thérapeutique, Hôpital de Bicêtre, Paris, France. kittipong@gamma.ocn.ne.jp

Journal of Neurosurgery. Spine

|May 16, 2009

Summary

Spinal cord arteriovenous malformations (AVMs) can cause syringomyelia. Treating the AVM may resolve the syringomyelia, suggesting venous hypertension is a key factor.

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Published on: August 30, 2020

Area of Science:

Neurology
Neurosurgery
Vascular Malformations

Background:

Syringomyelia is a rare condition characterized by fluid-filled cavities within the spinal cord.
Spinal cord arteriovenous malformations (AVMs) are uncommon vascular abnormalities.
The association between spinal cord AVMs and syringomyelia is infrequently reported, with limited post-treatment data.

Observation:

This study details four cases of patients presenting with syringomyelia associated with spinal cord AVMs.
All patients underwent embolization procedures targeting the AVM, not the syrinx directly.
Clinical and imaging data were collected before and after treatment.

Findings:

Successful embolization of the AVM was achieved in all four cases.
Remarkably, syringomyelia resolved in three out of the four treated patients.
Post-treatment follow-up demonstrated significant improvement in the neurological condition.

Implications:

The findings suggest a potential causal link between spinal cord AVMs and syringomyelia.
A proposed theory posits that venous hypertension secondary to AVMs triggers syringomyelia development.
Resolution of syringomyelia post-AVM treatment supports the venous hypertension hypothesis and suggests a reversible mechanism.