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研究舌下神经鞘瘤的临床特点和治疗方法。方法５例舌下神经鞘瘤病人经神经系统检查、ＣＴ和ＭＲＩ检查，并分别采用经枕下乳突后入路联合颌下入路分期切除肿瘤和经枕髁入路切除肿瘤或术后再辅以伽玛刀立体定向放射治疗。结果５例病人均获肿瘤大部分切除，但随访中经分期手术的２例肿瘤复发；经枕髁入路切除肿瘤并行伽玛刀立体定向放疗的２例肿瘤未增大，另１例术后因严重颅内感染而死亡。结论根据肿瘤发生部位不同，舌下神经鞘瘤可分为颅内型、颅外型及混合型，ＣＴ及ＭＲＩ检查是本病主要的诊断方法，运用经枕髁入路切除肿瘤及伽玛刀治疗是较好的治疗途径。
To study the clinical characteristics and treatment of hypoglossal schwannoma. Methods Five patients with hypoglossal schwannoma underwent neurological examinations, CT and MRI examinations. The tumors were removed by transcapsular subtalar papillary approach combined with submandibular approach, and the tumors were resected through the occipital condyle. Supplemented by gamma knife stereotactic radiotherapy. Results Most of the 5 patients underwent resection of the tumor. However, 2 of the tumors recurred by staging during the follow-up were recurred. Two tumors that had been treated with gamma knife radiotherapy and stereotactic radiotherapy after the occipital condyle approach did not increase, while the other 1 patient Died of severe intracranial infection. Conclusions Depending on the tumor location, hypoglossal schwannoma can be divided into intracranial type, extracranial type and mixed type. CT and MRI examination are the main diagnostic methods for this disease. By using the medial-occipital condyle approach to remove the tumor and gamma knife Treatment is a better treatment.