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目的 为了在前庭蜗神经瘤(VN)手术中提高面神经和前庭蜗神经功能保留率。方法 在手术显微镜下观察了52例前庭蜗神经瘤病人的桥脑小脑角(CPA)解剖结构及VN与周围神经、血管的解剖关系。结果 在VN包膜外两层蛛网膜间粘连最少,容易解剖分离,有利于术中保留面、前庭蜗神经功能。结论 在手术显微镜下能更清晰地辨清VN周围的解剖关系,有助于减少而、前庭蜗神经的损伤。
Objective To improve the functional retention of the facial nerve and vestibular nociception in the treatment of vestibular nocturnal neuroma (VN). Methods The anatomic structure of the cerebellopontine angle (CPA) of 52 patients with vestibular meningioma and the relationship between VN and the peripheral nerves and blood vessels were observed under a surgical microscope. Results in the VN capsule outside the two layers of arachnoid adhesions at least, easy dissection, is conducive to the retention of facial and vestibular nociception. Conclusions The anatomical relationship around the VN can be distinguished more clearly under a surgical microscope, which helps to reduce the damage of the vestibular cochlear nerve.