A14-year-oldright-handedboywasevaluatedforfluctuatingweaknessandfatigue.Hehadnormalmotormilestones.Atage3years,itwasfirstnoticedthathewasnotabletokeepupwithotherchildrenandhaddifficultyrunning.Whenhewas9yearsold,hissymptomsprogressed,witheasyfatigabilityandfrequentfalls.Oneofthestrikingfeaturesofhisweaknesswasdaytodayvariability.Somedayshewouldbeabletoperformmostofhisdailyactivitiesandsomedayshecouldbarelywalk.Inaddition,hehadepisodesofsevereweaknessfollowingfebrileorviralillness,wherehewouldbe北京白癜风医院哪个最好白癜风爱心传递分享会
