例1:男,38岁,因双下肢活动不灵、无力站立3个月于1993年5月收入院。查体:心肺正常。腹部平软,肝脾未触及。双下肢肌力正常,病理反射阴性。血常规、血沉及抗O均正常。血清钾、钠、氯测定正常。肌电图报告:右岗上肌正常,干扰相1.2mv,右股四头肌正常-1.5mV,右咬肌正常-200mV,右口轮轧肌正常-400mV,右肱二头肌正常-400mV,神经传导在正中,神经mcv59.2m/s。提示有肌源性损害。肌肉活检病理报 Example 1: Male, 38 years old, unable to stand for three months because of weakness in his lower extremity, was admitted to the hospital in May 1993. Physical examination: normal heart and lungs. Abdomen soft, liver and spleen not touched. Normal lower limb muscle strength, pathological reflex negative. Blood, ESR and anti-O are normal. Serum potassium, sodium, chlorine was normal. Electromyography report: right upper quadriceps normal, interfering phase 1.2mv, right quadriceps normal -1.5mV, right masseter normal -200mV right normal rolling muscle normal -400mV right biceps normal -400mV , Nerve conduction in the middle, nerve mcv59.2m / s. Suggest a myogenic damage. Muscle Biopsy Pathology