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肌萎缩侧索硬化(amyotrophic lateral sclerosis,ALS)是一种少见的神经系统变性疾病,以运动神经元的变性为特征,其中80%~90%的ALS患者为散发性ALS(sporadic ALS,SALS),另外10%~20%的ALS患者具有家族遗传史,即家族性肌萎缩
Amyotrophic lateral sclerosis (ALS) is a rare degenerative disease of the nervous system characterized by degeneration of motor neurons. 80% to 90% of patients with ALS are sporadic ALS (SALS) , While another 10% to 20% of patients with ALS have a family history of familial muscular atrophy