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Anatomical Characte...
Anatomical Characteristics of Facial Nerve and Cochlea Interaction
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- Schart-Moren, Nadine (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Larsson, Sune (författare)
- Uppsala universitet,Ortopedi
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- Rask-Andersen, Helge (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Li, Hao, 1984- (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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(creator_code:org_t)
- 2017-06-20
- 2017
- Engelska.
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Ingår i: Audiology & neuro-otology. - : KARGER. - 1420-3030 .- 1421-9700. ; 22:1, s. 41-49
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Objective: The aim was to study the relationship between the labyrinthine portion (LP) of the facial canal and the cochlea in human inner ear molds and temporal bones using micro-CT and 3D rendering. A reduced cochlea-facial distance may spread electric currents from the cochlear implant to the LP and cause facial nerve stimulation. Influencing factors may be the topographic anatomy and otic capsule properties.Methods: An archival collection of human temporal bones underwent micro-CT and 3D reconstruction. In addition, cochlea-facial distance was assessed in silicone and polyester resin molds, and the association between the LP and upper basal turn of the cochlea was analyzed.Results: Local thinning of the otic capsule and local anatomy may explain the development of cochlea-facial dehiscence, which was found in 1.4%. A reduced cochlea-facial distance was noted in 1 bone with a superior semicircular canal dehiscence but not in bones with superior semicircular canal "blue line." The otic capsule often impinged upon the LP and caused narrowing.Conclusion: Micro-CT with 3D rendering offers new possibilities to study the topographic anatomy of the human temporal bone. The varied shape of the cross-section of the LP could often be explained by an "intruding" cochlea.
Nyckelord
- Human temporal bones
- Cochlea
- Facial canal
- Micro-CT
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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