神经鞘瘤(雪旺瘤)是一种起源于神经雪旺细胞的良性肿瘤,25%~45%发生于头颈部〔1〕。本病恶变罕见,除嗅神经和视神经(因不含雪旺细胞)以外,其他脑神经均可发生,常见于口腔、咽、喉、咽旁、腮腺、鼻腔、鼻窦、中耳、内听道及颈部等部位〔2〕。笔者共收治该病患者26例,现将诊断及 Schwannoma (Schwannoma) is a benign tumor derived from neural Schwann cells, 25% to 45% occurred in the head and neck 〔1〕. In addition to olfactory nerve and optic nerve (excluding Schwann cells), other cranial nerves may occur, common in the oral cavity, pharynx, larynx, parapharyngeal, parotid gland, nasal cavity, sinus, middle ear, internal auditory canal And neck and other parts 〔2〕. The author received a total of 26 patients with the disease, now diagnosis and