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

  • Case Report - Vascular Neurosurgery - Aneurysm
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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.

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Acknowledgements

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

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Authors and Affiliations

  1. Department of Cerebrovascular Surgery, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama, 350-1298, Japan

    Yuichiro Kikkawa, Kaima Suzuki, Akio Teranishi & Hiroki Kurita

  2. Tachikawa Neurosurgery Clinic, Tsurugashima, Japan

    Taichi Tachikawa

Authors
  1. Yuichiro Kikkawa
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  2. Kaima Suzuki
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  3. Akio Teranishi
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  4. Taichi Tachikawa
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  5. Hiroki Kurita
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Corresponding author

Correspondence to Yuichiro Kikkawa.

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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.

Additional information

This article is part of the Topical Collection on Vascular Neurosurgery - Aneurysm

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Kikkawa, Y., Suzuki, K., Teranishi, A. et al. Ruptured intrameatal anterior inferior cerebellar artery aneurysm associated with obstructed internal auditory artery in a patient with sudden hearing loss and vertigo. Acta Neurochir 161, 403–406 (2019). https://doi.org/10.1007/s00701-018-3771-x

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  • DOI: https://doi.org/10.1007/s00701-018-3771-x

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