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目的探讨伽玛刀治疗舌下神经鞘瘤的可行性。方法 1例36岁女性病人。右半侧舌肌萎缩、纤颤、伸舌右偏4年。MRI显示舌下神经管区小园形异常信号,在T1WI呈等信号,信号均匀,增强扫描明显强化。2008年4月行伽玛刀治疗。结果术后随访4年,肿瘤生长控制满意。结论结合文献复习,舌下神经鞘瘤极其罕见,以手术治疗为主。但因肿瘤位置深在,周围结构复杂,暴露困难,手术难度大。对于手术残留肿瘤,复发肿瘤,或局限于舌下神经管内的小肿瘤,伽玛刀可作为治疗,或辅助治疗的手段。
Objective To investigate the feasibility of gamma knife treatment of hypoglossal schwannoma. Methods A 36-year-old female patient. Right side of the tongue muscle atrophy, fibrillation, stretch tongue right partial 4 years. MRI showed a small circular anomalous signal in the sublingual nerve canal area. The signal was equal on T1WI and the signal was uniform. The enhancement scanning was obviously enhanced. 2008 April gamma knife treatment. Results After 4 years follow-up, tumor growth control was satisfactory. Conclusions Combined with literature review, hypoglossal schwannoma is extremely rare and is mainly treated by surgery. However, deep tumor location, the surrounding complex structure, exposure difficulties, surgical difficulty. For surgical residual tumor, recurrent tumor, or confined to the small tumors within the hypoglossal canal, gamma knife can be used as a treatment, or adjuvant therapy.