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Transcranial and Endonasal Skull Base Approaches for Cerebello-Pontine Angle Lesions Hiroki MORISAKO 1 , Atsufumi NAGAHAMA 1 , Takeo GOTO 1 1Department of Neurosurgery, Osaka Metropolitan University Graduate School of Medicine Keyword: 小脳橋角部病変 , 前後合併経錐体到達法 , 前経錐体到達法 , 経鼻内視鏡頭蓋底到達法 , cerebello-pontine lesions , anterior and posterior combined transpetrosal approach , anterior transpetrosal approach , endoscopic endonasal skull base approach pp.682-692
Published Date 2025/7/10
DOI https://doi.org/10.11477/mf.030126030530040682
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 Cerebellopontine angle lesions should be reduced as much as possible while preserving the cranial nerve and brainstem functions. However, because the lesion is located deep and surrounded by various important structures, surgical procedure is difficult to perform, and a surgical strategy is important to avoid complications.

 Surgical outcomes have dramatically improved with the development of skull bases and microsurgical techniques. The main surgical approaches for cerebellopontine angle lesions include the anterior and posterior combined transpetrosal, anterior transpetrosal, lateral suboccipital, and endoscopic endonasal approaches. With the recent developments in endoscopic keyhole surgery, such as the endoscopic keyhole anterior transpetrosal approach, minimally invasive surgery for skull-base lesions has gradually begun.

 Here, we describe the preoperative checkpoints, selection of surgical approaches, and surgical techniques for the resection of cerebellopontine angle lesions.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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