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The use of magnetic resonance imaging in the investigation of patients with unilateral non-pulsatile tinnitus without asymmetrical hearing loss

Published online by Cambridge University Press:  24 June 2021

C Saxby ,
F Koumpa ,
S Mohamed  and
A Singh
C Saxby*
Affiliation:
ENT Department, Northwick Park Hospital, London, UK
F Koumpa
Affiliation:
ENT Department, Northwick Park Hospital, London, UK
S Mohamed
Affiliation:
ENT Department, Northwick Park Hospital, London, UK
A Singh
Affiliation:
ENT Department, Northwick Park Hospital, London, UK
*
Author for correspondence: Ms Clair Saxby, ENT Department, Northwick Park Hospital, Harrow HA1 3UJ, London, UK E-mail: [email protected]
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Abstract

Background

Tinnitus is a common condition presenting to the ENT out-patient clinic. Vestibular schwannomas are benign cerebellopontine angle tumours that usually present with unilateral sensorineural hearing loss. Magnetic resonance imaging of the internal auditory meatus is the definitive investigation in their detection. The current recommendation is for unilateral tinnitus patients to undergo magnetic resonance imaging of the internal auditory meatus to exclude vestibular schwannoma.

Objective

To evaluate magnetic resonance imaging in the investigation of patients with unilateral non-pulsatile tinnitus without asymmetrical hearing loss.

Method

A retrospective case series was conducted of all patients who underwent magnetic resonance imaging of the internal auditory meatus to investigate unilateral non-pulsatile tinnitus without asymmetrical hearing loss, from 1 January 2014 to 1 January 2019.

Results

Of 2066 scans, 566 (27 per cent) were performed to investigate patients (335 female, 231 male) with unilateral non-pulsatile tinnitus without asymmetrical hearing loss. Three vestibular schwannomas were detected on imaging, and 134 incidental findings were discovered.

Conclusion

The detection rate of vestibular schwannoma in this group was just 0.3 per cent. This paper questions the utility of magnetic resonance imaging evaluation in these patients.

Keywords

TinnitusMagnetic Resonance ImagingAcoustic Neuroma
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 135 , Issue 8 , August 2021 , pp. 680 - 683
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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Footnotes

Ms C Saxby takes responsibility for the integrity of the content of the paper

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