Cochlear implantation for cochlear dysplasia

Richard T. Miyamoto, R. Christopher Miyamoto, John T. McElveen, Karen Iler Kirk

Research output: Contribution to journalArticlepeer-review


Profound sensorineural hearing loss secondary to cochlear dysplasia presents a number of surgical challenges during cochlear implantation. The standard transmastoid-facial recess approach can be performed in the majority of cases. In cases of common cavity deformity, the transmastoid labyrinthotomy approach has a number of advantages. A high incidence of CSF gushers occurs in this population but can be managed by creating a small cochleostomy and tightly sealing the cochleostomy with connective tissue. Acceptable postoperative speech perception results can be expected.

Original languageEnglish (US)
Pages (from-to)121-124
Number of pages4
JournalOperative Techniques in Otolaryngology - Head and Neck Surgery
Issue number2
StatePublished - Jun 2005
Externally publishedYes


  • CSF gusher
  • Cochlear dysplasia
  • Cochlear implants
  • Mondini malformation
  • Transmastoid labyrinthotomy

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology


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