Electron microscope show structure turbulence and miss out of myelin sheath,loosen of neurofilament,mitochondrion swell and vacuole change and dissolve of axis-cylinder and myelin sheath.

• 电镜下示髓鞘结构紊乱、脱失 ,神经丝疏松 ,线粒体肿胀 ,空泡化 ,有轴索髓鞘溶解。