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Acta Neurochirurgica

, Volume 161, Issue 2, pp 403–406 | Cite as

Ruptured intrameatal anterior inferior cerebellar artery aneurysm associated with obstructed internal auditory artery in a patient with sudden hearing loss and vertigo

  • Yuichiro KikkawaEmail author
  • Kaima Suzuki
  • Akio Teranishi
  • Taichi Tachikawa
  • Hiroki Kurita
Case Report - Vascular Neurosurgery - Aneurysm
  • 46 Downloads
Part of the following topical collections:
  1. Vascular Neurosurgery – Aneurysm

Abstract

Background

Intrameatal aneurysms arising from the meatal loop of the anterior inferior cerebellar artery (AICA) are extremely rare.

Case presentation

We report a 60-year-old man presenting with severe vertigo and sudden left hearing loss associated with subarachnoid hemorrhage caused by rupture of a saccular aneurysm arising from the meatal loop of the AICA, which was entirely buried in the meatus. Intraoperatively, we identified the occluded internal auditory artery arising from the meatal loop of the AICA, where the aneurysm originated, and performed neck clipping.

Conclusion

These findings suggest that internal auditory artery occlusion is a potential cause of loss of auditory and vestibular functions.

Keywords

Anterior inferior cerebellar artery Meatus Subarachnoid hemorrhage Tinnitus Hearing loss Vertigo 

Notes

Acknowledgements

We thank Edanz Group (www.edanzediting.com/ac) for editing a draft of this manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from the participant included in the study.

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Cerebrovascular SurgerySaitama Medical University International Medical CenterHidakaJapan
  2. 2.Tachikawa Neurosurgery ClinicTsurugashimaJapan

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