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1、枢椎前结构的临床解剖学测量作者:侯黎升,贾连顺,谭军,阮狄克,叶晓健,王人鹏,贾宁阳,姜庆军【关键词】枢椎/解剖学和组织学【Abstract】ATM:Toexplorethefeasibi1ityoffixingthesegmentofC2andC3withanteriorcervicalplatescrewsystem.METHODS:Thesuperiorinclinationoftheposterioredgeoftheanteroinferiorlip(AIL)onsagittalplane(a),theinclinationformedbytheanterioredgeand
2、posterioredgeofAILonsagittalplane(B),theinclinationformedbythetwolateralboundarylinesoftheanteriorprotrudedportion(APP)oncoronalplane(Y),theheightandwidthofAIL(HAILandWAIL),thewidestdistanceofAPP(WMAX)andtheverticaldistancebetweenWMAXlineandtheinferiorpointofAIL(HMAX)of57ChineseC2vertebrae'santc
3、riorcolumnwcrcmcasurcdusingAutoCAD2000softwarc.RESULTS:Itwasfoundthata=42±8(26-58)°,3=69±10(49-89)°,Y=89±12(65-113)0,HAIL=5.7±0.9(3.9-7.5)mm,WAIL=8.1±2.0(4.2-10.5)mm,WMAX=13.5±1.7(10.2-16.8)mm,andHMAX=2.2±0.6(1.0-3.4)mm.WAILwaslessthan8mmin52.63%ofthesamples.CONCLUSI0N:Thcwidcstpartofthcantcrior
4、columnofC2vcrtcbraisbclowthchorizontalplaneofinferiorendplate,whichmakesthewidestregiommsuitableforscrewinsertionofanteriorplatesystemuniessthescrewsdirectupwardsandmedially.Iftheentrancepointofscrewmovesupwards,itwillruntheriskofinsertingintotheconcaveregionoftheanteriorcolumn.Becauseoftheindiv
5、idualdifferenee,anatomieparametersandlandmarksarenotalwaysreliableforsafeplacementofC2screwofanteriorplate・【Keywords]axis/anatomyandhisto1ogy;anteriorcervicalplate,internalfixation;anteriorstructure;AutoCAD【摘要】目的:探讨国人进行枢椎前路钢板I古I定的可行性•方法:用AutoCAD2000软件测量57例国人干燥枢椎:①前下唇的后缘与横断面的夹角a和前下唇前后缘的夹角B:②前下唇的高
6、度(HAIL);③前下唇宽度(WAIL);④前突部分最宽处横径(WMAX);⑤最宽处距前结构下界的距离(HMAX);⑥前突部分双侧外侧缘夹角(y)・结果:a=42±8(26~58)°,B二69±10(4旷89)°,HAIL二5.7±0.9(3・9~7・5)mm,WAIL=8.1±2.0(4.2^10.5)mm,52.63%的标本WAIL小于8mm.WMAX-13.5±1.7(10.2~16・8)mm,HMAX二2.2±0.6(1.0~3・4)mm.Y二89±12(65^113)°•结论:枢椎前结构下缘向前下突起形成前下唇,前突部分最宽处(WMAX)低于下终板平面•行枢椎前路钢板固定时螺
7、钉应向上倾斜以免打入椎间隙,向内做倾斜以免进入前结构两侧的凹陷区域,进钉点不宜过高.【关键词】枢椎/解剖学和组织学;颈前路钢板内I古I定;前柱结构;AutoCAD软件0引言下颈椎前路钢板临床应用逐渐增多,上颈椎钢板的临床应用也已有报道[1,2].我们对国人枢椎前结构进行解剖学数据测量,了解国人行前路C2〜3钢板内固定的可行性.1材料和方法1.1材料成人干燥枢椎标本57例,不分种族、性别及年龄,外观排除畸形及破损•新鲜标本为意外脑死亡的8例健康成