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Anterior Inferior Cerebellar Artery Aneurysm: Saccular Non-ruptured Aneurysm of the Premeatal Segment of the Anterior Inferior Cerebellar Artery, Treated with Flow Diverter Implantation into the Basilar Artery, with Complete Aneurysm Occlusion, Preservation of the Parent Artery, and Good Clinical Outcome

  • Rene Viso
  • Ivan Lylyk
  • Javier Lundquist
  • Pedro LylykEmail author
Living reference work entry
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Abstract

A 43-year-old female patient who presented with hearing loss was found to have a small saccular aneurysm of the left anterior inferior cerebellar artery (AICA) arising at its origin from the basilar artery (BA). The aneurysm was treated with endovascular implantation of a Pipeline Embolization Device (PED) flow diverter into the BA, jailing the origin of the AICA and thus reducing the inflow into the aneurysm sac. The postoperative course was uneventful and the hearing loss remained stable. Angiographic follow-up examinations at 6 and 12 months confirmed complete occlusion of the aneurysm. Implantation of a flow diverter into the BA appears to be a viable option in the treatment of proximal AICA aneurysms, as conventional deconstructive techniques in the treatment of these aneurysms can cause severe neurologic deficit. Flow diversion is also technically more straightforward than stent- or balloon-assisted coil occlusion. The various technical options for the treatment of AICA aneurysms are the main topic of this chapter.

Keywords

Anterior inferior cerebellar artery (AICA) Flow diverter Posterior fossa aneurysm Pipeline Embolization Device (PED) Slipstream effect 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Rene Viso
    • 1
  • Ivan Lylyk
    • 1
  • Javier Lundquist
    • 1
  • Pedro Lylyk
    • 1
    Email author
  1. 1.Interventional NeuroradiologyClínica La Sagrada Familia, ENERIBuenos AiresArgentina

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