Literature DB >> 2496384

The narrow internal auditory canal in children: a contraindication to cochlear implants.

C Shelton1, W M Luxford, L L Tonokawa, W W Lo, W F House.   

Abstract

We suggest a new explanation for the lack of auditory response to electric stimulation in children with cochlear implants: the very narrow internal auditory canal, 1 to 2 mm in diameter, and the probable absence of the cochlear nerve. This defect can be seen on high-resolution computed tomographic x-ray studies and may represent aplasia of the auditory-vestibular nerve. We report on eight children with this anomaly, three of whom have received implants and failed to respond with a sensation of sound. Identification of this problem on screening x-ray films is a contraindication to cochlear implantation for auditory stimulation.

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Year:  1989        PMID： 2496384     DOI： 10.1177/019459988910000310

Source DB:  PubMed          Journal:  Otolaryngol Head Neck Surg        ISSN： 0194-5998            Impact factor:   3.497


  16 in total

Review 1.  Narrow, duplicated internal auditory canal.

Authors:  T Ferreira; B Shayestehfar; R Lufkin
Journal:  Neuroradiology       Date:  2003-03-22       Impact factor: 2.804

2.  Absent semicircular canals in CHARGE syndrome: radiologic spectrum of findings.

Authors:  A K Morimoto; R H Wiggins; P A Hudgins; G L Hedlund; B Hamilton; S K Mukherji; S A Telian; H R Harnsberger
Journal:  AJNR Am J Neuroradiol       Date:  2006-09       Impact factor: 3.825

3.  Bilateral narrow duplicated internal auditory canal.

Authors:  Tulay Goktas Bakar; Demet Karadag; Cuneyt Calisir; Baki Adapinar
Journal:  Eur Arch Otorhinolaryngol       Date:  2008-01-05       Impact factor: 2.503

Review 4.  Cochlear implantation in the very young child: issues unique to the under-1 population.

Authors:  Maura Cosetti; J Thomas Roland
Journal:  Trends Amplif       Date:  2010-03

5.  The vestibulocochlear nerve: aplasia and hypoplasia in combination with inner ear malformations.

Authors:  Anja M Giesemann; Georgios Kontorinis; Zajaczek Jan; Thomas Lenarz; Heinrich Lanfermann; Friedrich Goetz
Journal:  Eur Radiol       Date:  2011-09-30       Impact factor: 5.315

6.  Imaging Evaluation of Pediatric Sensorineural Hearing Loss in Potential Candidates for Cochlear Implantation.

Authors:  Aleena Shafi Jallu; Majid Jehangir; Waqar Ul Hamid; Rafiq Ahmad Pampori
Journal:  Indian J Otolaryngol Head Neck Surg       Date:  2015-01-07

7.  Imaging findings of cochlear nerve deficiency.

Authors:  Christine M Glastonbury; H Christian Davidson; H Ric Harnsberger; John Butler; Thomas R Kertesz; Clough Shelton
Journal:  AJNR Am J Neuroradiol       Date:  2002-04       Impact factor: 3.825

8.  CT and MR imaging for pediatric cochlear implantation: emphasis on the relationship between the cochlear nerve canal and the cochlear nerve.

Authors:  Mikiko Miyasaka; Shunsuke Nosaka; Noriko Morimoto; Hidenobu Taiji; Hidekazu Masaki
Journal:  Pediatr Radiol       Date:  2010-03-23

Review 9.  Narrow duplicated internal auditory canal: radiological findings and review of the literature.

Authors:  Ozgün Ilhan Demir; Handan Cakmakci; Taner Kemal Erdag; Süleyman Men
Journal:  Pediatr Radiol       Date:  2005-08-04

10.  An unusual case of bilateral agenesis of the cochlear nerves.

Authors:  Vítor Yamashiro Rocha Soares; Fabrício Mendes Ferreira; Christiane França Coimbra; André Luiz Lopez Sampaio; Carlos Augusto Costa Pires De Oliveira
Journal:  Case Rep Neurol Med       Date:  2012-07-30
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