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Imaging for cochlear implants

Published online by Cambridge University Press:  29 June 2007

P. D. Phelps  and
D. W. Proops
P. D. Phelps
Affiliation:
Midland Cochlear Implant Programme, Department of Radiology, Walsgrave Hospital NHS Trust, Clifford Bridge Road, Coventry, UK.
D. W. Proops*
Affiliation:
Midland Cochlear Implant Programme, Department of Radiology, Walsgrave Hospital NHS Trust, Clifford Bridge Road, Coventry, UK.
*
Address for correspondence: Mr David W. Proops, Consultant ENT Surgeon, Department of Otolaryngology, University Hospital Birmingham, Queen Elizabeth Hospital, Edgbaston, Birmingham B15 2TH.
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Abstract

All patients in the Birmingham Cochlear Implant Programme underwent computerized tomography (CT) scanning and were assessed and images interpreted by the main author. Of the first 100 cases, 20 were considered to have abnormalities of the inner ears by CT imaging. It is concluded that the commonest abnormality was cochlear otospongiosis followed by labyrinthitis ossificans.

Otospongiosis is well shown by CT which gives a good predicator of luminal patency.

However, labyrinthus obliterans, although usually apparent on CT, is not reliably shown in all cases and T2 weighted magnetic resonance imaging (MRI) is better.

Keywords

Cochlear implantsTomography, X-ray computedOtosclerosisCochleaLabyrinthitis ossificans
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 113 , Supplement 24 , August 1999 , pp. 21 - 23
Copyright
Copyright © JLO (1984) Limited 1999

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