Introduction
Spinalarachnoidcystsareraredevelopmentallesionslocatedwithineithertheextraduralortheintraduralspace.However,intramedullaryarachnoidcystsareextremelyrareandsincethefirstdescriptionofthispathologybyAithalaetal.,only10morecaseshavebeenreportedsofar.Ontheotherhand,symptomaticcervicalspondylosisisquitea北京哪家医院白癜风专科好北京哪家医院白癜风手术好