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Surgical and Radiologic Anatomy

Published in:

01-10-2015 | Original Article

Relationship of cochlea with surrounding neurovascular structures and their implication in cochlear implantation

Authors: Daisy Sahni, Anjali Singla, Ashok Gupta, Tulika Gupta, Anjali Aggarwal

Published in: Surgical and Radiologic Anatomy | Issue 8/2015

Abstract

Purpose

The purpose of this investigation was to evaluate the topographic relations of cochlea with vital neurovascular structures and their implications for cochlear implantation (CI).

Methods

Sixty cadaveric human temporal bones were microdissected to expose the basal turn (BT) of cochlea, the carotid canal, the facial canal (FC) and the jugular fossa (JF). The minimum distances of BT of the cochlea from the carotid canal, the FC and roof of the JF were measured.

Results

The mean minimum distances of BT of the cochlea from the carotid canal, the FC and roof of the JF were found to be 1.38 ± 0.82, 1.06 ± 0.46 and 4.68 ± 2.21 mm, respectively. The abutment and impingement of carotid canal on anterior cochlear wall was found in three (5 %) and six (10 %) cases, respectively. Thin bone separation was observed between cochlea and FC (0.1 mm) in one case (1.67 %).

Conclusions

The preoperative knowledge of the variant anatomy of BT of cochlea in relation to adjacent vital structures like abutment and impingement of carotid canal and thin bone separation of the BT of cochlea from FC and JF is of immense importance in CI, which may otherwise lead to disastrous consequences during surgery.

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Title: Relationship of cochlea with surrounding neurovascular structures and their implication in cochlear implantation
Authors: Daisy Sahni
Anjali Singla
Ashok Gupta
Tulika Gupta
Anjali Aggarwal
Publication date: 01-10-2015
Publisher: Springer Paris
Published in: Surgical and Radiologic Anatomy / Issue 8/2015
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI: https://doi.org/10.1007/s00276-015-1442-7

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Relationship of cochlea with surrounding neurovascular structures and their implication in cochlear implantation

Abstract

Purpose

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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