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目的探讨面肌痉挛的发病机理及病因,为临床工作提供相关的治疗根据。方法面肌痉挛患者共32例,对其中28例无明显诱因发病者均行双侧面神经多平面成像检查。结果面肌痉挛症状者行头颅磁共振体层血管造影(MRTA)检查显示面神经出脑干段(REZ)有血管压迫者25例(25/28=89.3%)。结论血管压迫是面肌痉挛的主要病因,面神经减压手术可能是最合理的选择。
Objective To investigate the pathogenesis and etiology of hemifacial spasm and provide the basis for clinical treatment. Methods A total of 32 patients with hemifacial spasm were included in this study. Bilateral facial nerve multiplane imaging was performed in 28 of 28 patients without obvious predisposition. Results MRTA showed that 25 cases (25/28 = 89.3%) had vascular compression in the facial nerve stem segment (REZ) of the facial hemifacial spasm. Conclusion Vascular compression is the main cause of hemifacial spasm. Facial nerve decompression surgery may be the most reasonable choice.