我们近年收治非血管源性面肌痉挛3例,分析如下。1病历摘要例1:女,18岁。以右侧面部肌肉间断抽搐10 a为主诉入院。患者于入院前10 a出现右面部肌肉抽搐,由右下眼睑开始并逐渐扩展至整个右面部。3 a来,右面部抽搐逐渐加重,查体:右侧颜面部频繁抽搐,先天性胸廓畸形。神经放射学检查:MRI显示枕骨畸形。入院诊断为右侧面肌痉挛,入院后局麻下行右侧面神经根探查术。术中见枕骨发育畸形,压迫面听神经根向脑干腹侧面移位,面听神经移至枕骨上缘,垫入Teflon棉。术后患者右侧面肌痉挛消失,出院前面肌抽搐消失,未出现并发症。随访6 a后,患者面肌抽搐消失。例2:女,19岁。于入院0.5 a前出现左面部肌肉抽搐,由左下眼睑开始并逐渐扩展至整个左面部。查体:左侧颜面部频 We admitted in recent years, non-vasculogenic spasm in 3 cases, analyzed as follows. 1 Medical Summary Example 1: Female, 18 years old. To the right side of the facial muscles intermittent convulsions 10 a main complaint hospitalization. The patient developed a right facial muscle twitch 10 days before admission, beginning with the right lower eyelid and gradually expanding to the entire right side. 3 a, the right facial seizures gradually increased, physical examination: the right facial frequently convulsions, congenital thoracic deformity. Neuroradiology: MRI shows occipital deformity. Admission was diagnosed as right hemifacial spasm, local anesthesia on the left after undergoing radical nerve root exploration. Surgery, see the development of occipital deformity, pressure surface to listen to nerve root radiated to the brainstem ventral shift, facial nerve moved to the occipital margin, padded into Teflon cotton. Patients with right hemifacial spasm disappeared, the discharge of the former muscle twitch disappeared, no complications. After 6 years of follow-up, the facial muscle twitch disappeared. Example 2: Female, 19 years old. The left facial muscle twitch occurred 0.5 d before admission, starting from the lower left eyelid and gradually expanding to the entire left face. Physical examination: the left facial frequency