A comparison of cochlear nerve size in normal-hearing adults using magnetic resonance imaging

Christoper Heining, Theofano Tikka, Steve Colley, Laura Zilinskiene, Chris Coulson

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OBJECTIVE: Cochlear implantation is a clinical and cost-effective treatment for severe hearing loss. Cochlear nerve size assessment by magnetic resonance imaging (MRI) has been investigated for use as a prognostic indicator following cochlear implantation. This study aimed to further that research by assessing nerve size in normal-hearing adults for symmetry.
MATERIALS and METHODS: Patients with tinnitus presenting to our center retrospectively had their nerve size assessed by MRI.
RESULTS: The study found no significant differences between right and left cochlear nerves in normal-hearing adults, supporting our hypothesis of symmetry in these individuals. This was a previously unproven and uninvestigated hypothesis.
CONCLUSION: Nerve size assessment should remain an active area of research in otological disease.
Original languageEnglish
Pages (from-to)300-304
Number of pages4
JournalThe journal of international advanced otology
Issue number3
Publication statusPublished - 14 Dec 2017


  • cochlear implant
  • cochlear nerve
  • facial nerve
  • sensorineural hearing loss

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