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Scala vestibuli cochlear implantation in patients with partially ossified cochleas

Published online by Cambridge University Press:  08 March 2006

Stefano Berrettini ,
Francesca Forli ,
Emanuele Neri ,
Giovanni Segnini  and
Stefano Sellari Franceschini
Stefano Berrettini
Affiliation:
Departments of Neuroscience, Transplants and Advanced Technologies in Medicine, University of Pisa, Pisa, Italy.
Francesca Forli
Affiliation:
Departments of Neuroscience, Transplants and Advanced Technologies in Medicine, University of Pisa, Pisa, Italy.
Emanuele Neri
Affiliation:
Departments of Oncology, Transplants and Advanced Technologies in Medicine, University of Pisa, Pisa, Italy.
Giovanni Segnini
Affiliation:
Departments of Neuroscience, Transplants and Advanced Technologies in Medicine, University of Pisa, Pisa, Italy.
Stefano Sellari Franceschini
Affiliation:
Departments of Neuroscience, Transplants and Advanced Technologies in Medicine, University of Pisa, Pisa, Italy.
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Abstract

Partial cochlear obstruction is a relatively common finding in candidates for cochlear implants and frequently involves the inferior segment of the scala tympani in the basal turn of the cochlea. In such patients, the scala vestibuli is often patent and offers an alternative site for implantation. The current report describes two patients with such partial obstruction of the inferior segment of the basal cochlear turn, caused in one case by systemic vasculitis (Takayasu’s disease) and in the other by obliterative otosclerosis. A scala vestibuli implantation allowed for complete insertion of the electrode array. No problems were encountered during the surgical procedures and the good post-operative hearing and communicative outcomes achieved were similar to those reported in patients without cochlear ossification.

The importance of accurate pre-operative radiological study of the inner ear is underscored, to disclose the presence and define the features of the cochlear ossification and ultimately to properly plan the surgical approach.

Keywords

Cochlear ImplantsScala VestibuliOssification Heterotopic
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 116 , Issue 11 , November 2002 , pp. 946 - 950
Copyright
© Royal Society of Medicine Press Limited 2002

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