医学
表皮样囊肿
桥小脑角
脑膜瘤
神经鞘瘤
开颅术
解剖(医学)
神经血管束
外科
解剖
放射科
磁共振成像
作者
Ken Matsushima,Michihiro Kohno
出处
期刊:PubMed
日期:2022-05-01
卷期号:50 (3): 625-633
标识
DOI:10.11477/mf.1436204595
摘要
The lateral suboccipital retrosigmoid approach is one of the most established approaches for accessing the posterior cranial fossa. In order to expand the surgical field, several extensions, including(1)extended craniotomy(e.g., far lateral, transcondylar, and transsigmoid approaches), (2)additional intradural osseous or bony drilling(e.g., transmeatal and suprajugular approaches), and (3)fissure dissection(e.g., suprafloccular and infrafloccular approaches), have been described. In this report, we introduce our technique for the retrosigmoid approach and review several extensions as illustrated by schwannoma, meningioma, and epidermoid cyst surgeries.
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