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KMID : 0361019980410020174
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Korean Journal of Otolaryngology - Head and Neck Surgery
1998 Volume.41 No. 2 p.174 ~ p.178
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Surgical Anatomy for the Extended Middle Fossa Approach
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이원상/Won Sang Lee
김지수/이호기/정인혁*/Jie Soo Kim/Ho Ki Lee/In Hyuk Chung*
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Abstract
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Background and Objectives: The extended middle fossa apporach is an essential method in approaching the internal acoustic canal and the cerebellopontine angle while preserving the hearing function. This work attempted to establish some
anatomical
landmarks in the petrous apex as it relates to the extended middle fossa approach. Materials and Methods: We dissected 49 human skulls of Korean origin by using the extended middle fossa approach. Results: Internal acoustic canal
(IAC) was
identified in an attempt to find reliable distances and angles to be used in the extended middle fossa approach. In addition, the dimensions of the fundus of IAC as well as the extension ranges were obtained. Conclusion: The extended
middle
fossa
approach is a good method in approaching the internal acoustic canal and cerebellopontine angle. In this study, we have established anatomical landmarks for using this approcah in the human skulls of korean origin.
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KEYWORD
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