神经鞘瘤,也叫施万瘤,来源于施万细胞(Schwannz细胞),是颅内较常见的一种良性肿瘤,约占所有原发性颅内肿瘤8%～12%。好发于听神经鞘,少部分颅神经鞘瘤见于三叉神经、面神经、动眼神经、滑车神经、舌下神经。嗅沟神经鞘瘤非常罕见,国内外文献所见报道30余例,本科4年来通过术后病 Schwannoma, also known as Schwannoma, is derived from Schwann cells and is a relatively common intracranial benign tumor, accounting for about 8% to 12% of all primary intracranial tumors. Occur in the auditory sheath, a small part of the cranial nerve sheath tumor found in the trigeminal nerve, facial nerve, oculomotor nerve, trochlear nerve, hypoglossal nerve. Silencing schwannoma is very rare, reported in the literature at home and abroad, more than 30 cases, 4 years after undergraduate postoperative disease