神经鞘瘤为最常见的髓外硬膜内肿瘤,但发生于颅颈结合部者少见,且容易漏诊,本文报告2例。例1,男,49岁,右上下肢乏力7年,加重1月。体检:右上肢肌力Ⅲ级,右下肢肌力0级,肌张力增高,腱反射亢进。曾就诊过多家医院,先后做过脑部、颈椎、腰部ＣＴ和颈椎Ｘ线片检查,均未发现异常。近? Schwannoma is the most common intramedullary extramedullary tumor, but occurs in the craniocervical junction rare, and easy to miss, this article reports 2 cases. Example 1, male, 49 years old, right upper limb weakness 7 years, increased in January. Physical examination: right upper extremity muscle strength Ⅲ, right lower extremity muscle strength 0, muscle tension increased, tendon hyperreflexia. Had seen many hospitals, has done brain, cervical, lumbar CT and cervical X-ray examination, were found no abnormalities. near?