CHINESEJOURNAL0FANATOMYV01.34No.22011解剖学杂志2011年第34卷第2期腰椎侧隐窝的断层影像和断面解剖学李林宏1钱学华1△周庭永1李彦彦1徐伟1张慧1刘智华1吕发金2(重庆医科大学,1解剖学教研室法医学与生物医学信息研究室。2附属第一医院放射科,重庆400016)摘要目的:探讨断面和CT腰椎侧隐窝变化规律及其意义。方法z利用30例横断面标本及50例活体CT扫描,观测侧隐窝及其相关结构。结果:断面标本第3~5腰椎侧隐窝矢径(经椎间盘)分别为(7.43士0.52)、(7.34士0.77)、(6.78士0.58)ram,无性差,CT扫描第3~5腰椎侧隐窝矢径(经椎间盘)存在性差。男性分别为(7.05士1.19)、(6.25士0.94)、(6.98士1.30)mm;女性为(7.53士1.37)、(7.05士1.14),(7.35士1.39)mm;侧隐窝及其相关结构的数值在断面及CT表现趋势基本一致;在断面和CT上.侧隐窝矢径(经椎间盘)与黄韧带厚度的相关关系无统计学意义,但与椎间盘横径、矢径均呈负相关。结论:侧隐窝及其相关结构的数值在断面解剖及CT上表现趋势基本一致,即CT可较好地反映侧隐窝相关结构的情况;侧隐窝毗邻结构的病理变化均可能导致侧隐窝狭窄。关键词侧隐窝;断面解剖;电子计算机X射线断层扫描技术;腰椎管狭窄LumbarlateralrecessonimaginganatomyandsectionalanatomyLiLinhon91,QianXuehual△,ZhouTingyon91,LiYanyanl,XuWeil,ZhangHuil,LiuZhihual,LnFajinz(1.DepartmentofAnatomy.‰atoryofForensicMedicineandBiomedicineInformationofCJwngqingMedicineUniversity;2.DepartmentofRadiology,Fi瓜AffiliatedHospital'ChongqingMedicalUniversity,Chongqing400016,China)AbstractObjective:Toapproachregularityandsignificanceoflateralrecessoncross-sectionandCr.Methods:Thirtyconsecutivecross-sectionalspecimensincadaversandfiftyconsecutivelateralSCOUtCTscansinpatientswerestudiedtOob·servelateraIrecess,ligamentaflava,intervertebraldisc,etc.Results:Ontheplanethroughtheupperoftheintervertebraldisc,saeittaldiametersoflateralrecessfork一1.5were(7.43士0.52),(7.34士0.77),(6.78士0.58)miHincadavers,re-spectively.NostatisticallysignificantdifferenceW85seeninmalesandfemalesforthesagittaldiameteroflateralrecess。buttherewasasignificantsexualdifferenceforitonCTs∞ns.ThesagittaldiametersoflateraIrecesswere(7.05士1.19)。(6.25土0.94),(6.98士1.30)rnminmales,and(7.53士1-37)。(7.05士1.14)。(7.35士1.39)raminfemales.Oncro$s-sec-tionalspecimensandCTs锄s,therewerethe蛳tendenciesinpolygratmwhichweredrawnbymeasurementsoftherecordsre-latedtOlumharvertebrae.Nostatisticallysignificantcorrelationwass鲫betweenthesagittaldiameteroflateral凭嘴sandthicknessoftheligaraentaflavaoncross-sectionalspecilnel强andCTs旺Ins.butthereⅥ,asasignificantlynegativecorrelationwiththen跏一v勰diameterand髓ginaldisIrletefofimervertebraldisc.Omdus/on:Therew眦the鲻恤tendenciesinpolygrarnsoncroBS-孵tionalspecim嘶sandcT删formeas㈣tsoftherecordsrelatedtOltunhtrvertebrae,80CTcarlbetterreflectthelateral脚sandadjacent引【ructu强Pathologicalchangesin砌aemtstruetur驾mayresultinthelateralnx麟stenosis.KeyWOldSlateralrecessIsectionalanatomy;computedtomographytlumbarspinalstenosis侧隐窝狭窄作为椎管狭窄的主要因素之一,日益受到国内外学者的重视[1]。侧隐窝狭窄是一个多因素的复杂问题,其诱发因素多种多样,既有发育因素,又有退变因素;既有软组织因素,也有骨性因素。如椎间盘突出、髓核脱出,后方纤维环断裂、骨化。黄韧带肥厚、钙化.上关节突增生,椎体后缘增生等都是构成侧隐窝狭窄的因素,既往文献已经证实这些因素往往相互作用彼此影响[2]。但是,侧隐窝的解剖位置特殊,常第1作者E-maillyidul984@yahoo.锄.∞△通讯作者.E-mail,q-xh@163.c帆收稿日期。2010-06—22I修回日...