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An arteriovenous malformation within the internal acoustic meatus and cerebellopontine angle cistern

Published online by Cambridge University Press:  16 August 2011

P N Patel*
Affiliation:
Neuroradiology Department, King's College Hospital, London, UK
S Connor
Affiliation:
Neuroradiology Department, King's College Hospital, London, UK
S Brew
Affiliation:
Neuroradiology Department, National Hospital for Neurology and Neurosurgery, London, UK
M J Gleeson
Affiliation:
Otolaryngology Department, Guy's and St Thomas' Hospitals, London, UK
*
Address for correspondence: Dr P N Patel, Neuroradiology Department, King's College Hospital, Denmark Hill, London SE5 9RS, UK E-mail: [email protected]

Abstract

Objectives:

We report a case of an arteriovenous malformation within the internal auditory meatus and cerebellopontine angle, and we discuss its imaging appearances and management.

Case report:

A 50-year-old man presented with a two-year history of vertigo. Magnetic resonance imaging and magnetic resonance angiography demonstrated a lesion consisting of multiple ‘high flow’ vessels within the left internal auditory meatus and cerebellopontine angle. Transarterial embolisation was performed, with obliteration of the arteriovenous malformation.

Conclusion:

Arteriovenous malformations of the internal auditory meatus and cerebellopontine angle are exceedingly rare. It is important that a pre-treatment diagnosis is made, as the management of arteriovenous malformation differs from that of other, more common lesions at this site.

Type
Clinical Records
Copyright
Copyright © JLO (1984) Limited 2011

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