PMID: 2115659Jun 1, 1990Paper

Cochlear nucleus anatomy related to central electroauditory prosthesis implantation

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
L I TerrR Zakhary

Abstract

The central electroauditory prosthesis is now used to stimulate the cochlear nuclei to obtain auditory perception in patients with bilateral cochlear nerve transection who are undergoing bilateral acoustic tumor removal. In this study, we used fixed cadaver specimens to identify visible landmarks for accurate placement of the central electroauditory prosthesis through a combined suboccipital-translabyrinthine opening. Histologic features of the regions of probable implantation of the central electroauditory prosthesis were also investigated. We found that the following landmarks might have surgical significance: (1) the tenia of the inferior velum of the fourth ventricle, which crosses the surface of the ventral cochlear nucleus and the vestibulocochlear nerve; (2) the angle between the vestibulocochlear and glossopharyngeal nerves; and (3) the foramen of Luschka. It is suggested that an incision be made in the tenia for insertion of the prosthesis into the lateral recess and eventual placement on the ventral cochlear nucleus surface. To study regions of potential stimulation, we injected ink into different sites on the exposed surface of the cochlear nuclei. We then histologically examined neuronal populations adjacent to the ...Continue Reading

References

Oct 1, 1977·The Journal of Comparative Neurology·G F MartinJ M Walker
Jan 1, 1987·Journal of Rehabilitation Research and Development·L S EisenbergW F House
Jun 1, 1987·Archives of Otolaryngology--head & Neck Surgery·U K SinhaF H Linthicum
Aug 1, 1985·Archives of Otolaryngology·L I Terr, B J Edgerton

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Citations

Sep 10, 2002·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Vittorio CollettiLorenzo Pacini
Oct 3, 2000·Journal of Neurosurgery·S K RosahlM Samii
Aug 6, 2002·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Vittorio CollettiAlessandro Orsi
Apr 1, 2006·Neurosurgery·Hiroshi Abe, Albert L Rhoton

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