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机构地区:[1]哈尔滨医科大学第一临床医学院神经外科,黑龙江哈尔滨150001
出 处:《中风与神经疾病杂志》2003年第4期360-361,共2页Journal of Apoplexy and Nervous Diseases
摘 要:目的 探讨前庭神经雪旺细胞瘤和蛛网膜之间的关系以及神经功能的保护。方法 手术中观察蛛网膜、肿瘤和神经的关系。结果 肿瘤的后面、上下极表面有蛛网膜覆盖 ,脑干侧、肿瘤和面听神经之间没有蛛网膜间隔。结论 前庭神经雪旺细胞瘤是蛛网膜内位肿瘤 ,肿瘤表面的蛛网膜是桥小脑角池固有的蛛网膜 。Objective To investigate relationship between vestibular schwannoma and arachnoid membrane and to improve preservation of nerve function.Methods Relationship among tumor,arachnoid membrane and nerve was observed during operation. Results Arachnoid membrane covered posterior side, superior and inferior poles of tumor,no arachnoid membrane interface was present between tumor and acoustic nerve,also at side opposite to brainstem. Conclusion Vestibular schwannoma locates inside of arachnoid membrane;arachnoid membrane covering tumor is intrinsic of cerebello pontine cistern;separation under direct vision between nerve and tumor is emphasized.
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