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Aneurysmal bone cyst of the temporal bone presenting with reversible vestibular impairment

Published online by Cambridge University Press:  12 September 2022

Y Liu
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Huadong Hospital of Fudan University, Shanghai, China
C Wang
Affiliation:
ENT Department, People's Hospital of Zhangye, Hexi University, Zhangye, China
J Hu
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Huadong Hospital of Fudan University, Shanghai, China
Z Han*
Affiliation:
Department of Otorhinolaryngology Head and Neck Surgery, Huadong Hospital of Fudan University, Shanghai, China
*
Author for correspondence: Dr Zhao Han, No. 221 West Yan'an Road, Jing'an District, Shanghai, China, 200040 E-mail: sfhanzao@163.com

Abstract

Background

Aneurysmal bone cysts are expansile benign lesions associated with compressive destruction and obscure pathogenesis. The most common sites of temporal bone involvement are the petrous apex, squamous portions and mastoid.

Case report

This paper reports a right temporal aneurysmal bone cyst in a 51-year-old man who presented clinically with facial palsy, and hearing loss and impaired vestibular function. Magnetic resonance imaging and computed tomography findings were consistent with a diagnosis of aneurysmal bone cyst. Inter-operative findings showed that the lesion had caused compressive damage to the internal auditory canal. Following surgical excision, the patient experienced vertigo, indicating recovery of vestibular function. Follow-up imaging revealed complete resection without clinical recurrence.

Conclusion

To our knowledge, this is the first report of aneurysmal bone cyst invasion of the inner auditory canal. Our clinical experience indicates that vestibular nerve damage recovery is relatively uncommon. This case report will hopefully inform future studies.

Information

Type
Clinical Records
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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