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Case report
Transvenous Onyx embolization of a subependymal deep arteriovenous malformation with a single drainage vein: technical note
  1. Mario Martínez-Galdámez1,
  2. Pedro Saura1,
  3. Javier Saura1,
  4. Jesus Muñiz2,
  5. Julio Albisua2,
  6. Antonio Pérez-Higueras1
  1. 1Department of Interventional Neuroradiology, Radiology, Fundación Jiménez Díaz, Madrid, Spain
  2. 2Department of Neurosurgery, Fundación Jiménez Díaz, Madrid, Spain
  1. Correspondence to Dr Mario Martínez-Galdámez, mariomgaldamez{at}hotmail.com

Abstract

Cerebral arteriovenous malformations (AVMs) are uncommon. Treatment options include embolization, radiosurgery and surgery, separately or combined, the final goal being complete occlusion of the malformation. We describe the case of a symptomatic small subependymal AVM with a single deep drainage vein previously treated unsuccessfully by radiosurgery and transarterial embolization. The AVM was successfully embolized transvenously using Onyx, achieving complete occlusion in a single treatment session.

  • Arteriovenous Malformation
  • Hemorrhage
  • Liquid Embolic Material
  • Magnetic Resonance Angiography

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