近年来,人们对多灶性运动神经病(Multifocal motorneuropathy,MMN)逐渐有所认识,但国内报道的例数甚少,临床诊断有一定困难。它的临床特点为慢性不对称性运动障碍而不伴感觉障碍,有多灶性传导阻滞的电生理特征,由于常伴有血清抗GM1抗体滴度升高,多数学者研究认为它是免疫介导损 In recent years, people have gradually recognized the multifocal motor neuropathy (MMN), but the number of cases reported in China is very small and clinical diagnosis has some difficulties. Its clinical features of chronic asymmetric dyskinesia without sensory dysfunction, multifocal block electrophysiological characteristics, often accompanied by serum anti-GM1 antibody titers, most scholars believe that it is immune mediated Guided damage