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A dural arteriovenous fistula associated with an encephalocele presenting as otitis media with effusion

  • W Ahmed (a1), S Connor (a2), R Obholzer (a1) and I Pai (a1)
Abstract
Objective

This case report illustrates an unusual case of a dural arteriovenous fistula and an associated encephalocele presenting as otitis media with effusion.

Case report

A 53-year-old man presented with right-sided hearing loss and aural fullness of 2 years’ duration. Examination revealed ipsilateral post-auricular pulsatile tenderness. Computed tomography showed transcalvarial channels suggestive of dural arteriovenous fistula. Further magnetic resonance imaging demonstrated the presence of a temporal encephalocele herniating through the tegmen tympani defect, as well as the abnormal vascularity. Angiography confirmed a Cognard type I dural arteriovenous fistula, which is being managed conservatively. Surgical repair of the encephalocele was recommended but declined by the patient.

Conclusion

Dural arteriovenous fistula is an uncommon intracranial vascular malformation rarely seen by otolaryngologists, with pulsatile tinnitus being the usual presentation. To our knowledge, this is the first reported case of dural arteriovenous fistula presenting with conductive hearing loss and otalgia.

Copyright
Corresponding author
Author for correspondence: Mr Waseem Ahmed, Department of Otolaryngology, Guy's and St Thomas’ NHS Foundation Trust, London, UK E-mail: waseem.ahmed6@nhs.net
Footnotes
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Mr W Ahmed takes responsibility for the integrity of the content of the paper

Footnotes
References
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The Journal of Laryngology & Otology
  • ISSN: 0022-2151
  • EISSN: 1748-5460
  • URL: /core/journals/journal-of-laryngology-and-otology
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