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腰椎椎体后缘离断症
引用本文:陈仲强,党耕町.腰椎椎体后缘离断症[J].中华骨科杂志,1996,16(12):750-752.
作者姓名:陈仲强  党耕町
作者单位:北京医科大学第三医院骨科
摘    要:作者诊治了13例腰椎椎体后缘离断症,其主要症状为腰腿痛与间歇性跛行,少数发生马尾压迫综合征。13例共有14个腰椎椎体的后缘形成突向椎管内的骨块,8个与椎体相连,6个与椎体分离,与其相对应的椎体后角骨缺损区内为椎间盘髓核组织;8个椎体后角的病损构成7例患者中央管或神经根管狭窄的主要原因,另6个椎体后角病损较小,仅部分参与神经根压迫;病变主要见于L4,5及S1椎体后上缘或下缘。作者认为成人中所见椎体后缘离断的征象很可能是青少年时期椎体后缘环状骨骺变异或陈旧性损伤及其继发改变的结果。

关 键 词:腰椎  椎管狭窄  椎体后缘离断

PosteriorBonyEdgesSeparationofLumbarVertebrae
ChenZhongqiang,DangGengding,ZhangFeng shan.PosteriorBonyEdgesSeparationofLumbarVertebrae[J].Chinese Journal of Orthopaedics,1996,16(12):750-752.
Authors:ChenZhongqiang  DangGengding  ZhangFeng shan
Institution:ChenZhongqiang,DangGengding,ZhangFeng shan.DepartmentofOrthopaedics,The3rdTeachingHospitalofBeijingMedicalUniversity,Beijing100083
Abstract:Thirteenadultpatientswithposteriorbonyseparationoflumbarvertebraewerestudied.Thecommonsymptomsofthediseasewerebackandlegpain,intermitentneurogenicclaudication,orcaudaequinasyndrome.Therewerefourteenavulsedorseparatedbodiesattheposterioredgesoflumbarvertebraewhichprotrudedintothespinalcanal.Ofthese,eighthadbonyconnectionwiththevertebraeandsixhadscartisueconnection.Correspondingtothebonyavulsionregion,therewasbonydefectfiledwithdiscmaterialintheposteriorpartofthevertebrae.Thelesionsasthemainreasonleadtothecentralorrootstenosisinseven,andasapartialreasonresultedinthenerverootcompresioninanothersix.Mostoflesionslocatedinthepostero superiororinferioredgesoftheL4,L5andS1vertebrae.Theauthorsconsideredtheposiblereasonforthedis easemightbeasecondarychangesoftheinjuryorvarianceoftheepiphysealringofthevertebralbodyduringtheadolescentperiod.
Keywords:LumbarvertebraeSpinalstenosisPosterioredgeseparation
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