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报告一例多轴空肌病患者,男,28岁。左下肢无力、变细2年,右下肢无力2个月,偶伴有两下肢肌肉跳动。先后接受过腰椎髓核摘除术和腰骶马尾囊肿切除术,术后症状无改善。神经系统检查:双上肢肌力正常,左下肢肌力近端Ⅲ级,远端0～Ⅰ级,右下肢肌力Ⅳ级,肌张力均正常,肌肉无压痛,左侧股四头肌及小腿肌群明显萎缩,双下肢腱反射对称减弱。肌电图检查显示在相应萎缩的肌群中有失神经的表现,而双上肢部分近端肌群出现肌源性损害改变。肌肉病理检查有多轴空肌病的特征性改变。
Report a case of patients with multi-axial myopathy, male, 28 years old. Left lower extremity weakness, thinning 2 years, right lower extremity weakness 2 months, even with both lower extremity muscle beating. Has received lumbar discectomy and lumbosacral cauda equina cyst resection, postoperative symptoms did not improve. Nervous system examination: normal upper extremity muscle strength, left lower extremity proximal muscular strength grade Ⅲ, distal 0 ~ Ⅰ grade, right lower extremity muscle strength grade Ⅳ, normal muscle tone, muscle tenderness, left quadriceps and calf Muscle group was significantly reduced, double lower extremity tendon reflex symmetry weakened. Electromyography showed denervation in the corresponding atrophy of the muscles, whereas muscle damage in the proximal muscles of the upper extremity changed. Muscle pathology has a characteristic change in polycyclic myopathy.