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KMID : 0942820020010010024
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Journal of Korean Brain Tumor Society
2002 Volume.1 No. 1 p.24 ~ p.32
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Retrosigmoid Approach
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Lee Sang-Won
Sung Jae-Hoon
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Abstract
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The retrosigmoid approach is one of the most familiar approach for posterior fossa lesion. It can provide access from the foramen magnum to the tentorium but in order to avoid excessive cerebellar retraction and consequent contusion, its main focus is cerebellopontine angle(CPA) and posterolateral skull base. In this brief article, the authors point out important anatomic structures and stepwise operative considerations for removal of acoustic neuroma.
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KEYWORD
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Acoustic neuroma, Approach, Cerebellopontine angle, Retrosigmoid approach
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