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1、-延边大学硕士学位论文摘要合体和对椎旁肌最小损伤的前提下对硬膜囊及神经根压迫解除的目的。[结论]1.在最大程度保留脊柱后方结构的前提下，可以通过单侧入路对硬膜囊及神经根进行双侧减压，达到治疗退变性腰椎管狭窄症的目的。2.进行单侧入路双侧减压治疗退变性腰椎管狭窄症时，减压范围包括上位椎体椎板下2/3，下位腰体椎板上1/3或半椎板减压，外侧保留椎板峡部5mm，对侧的椎板保留单层皮质，探及对侧椎弓根为最大减压范围。3.单侧入路双侧减压，只是对一侧椎旁组织进行部分剥离，保留了对侧的椎旁组织及脊柱后部结构，并且没有破
2、坏关节突结构，对脊柱稳定性的影响微小。4.在保留脊柱稳定性的基础上可以保留脊柱的活动度，减少了因内固定带来的相邻节段退变的问题。[关键词]单侧入路；双侧减压；退变性腰椎管狭窄症；微创脊柱外科；解剖学研究----II万方数据----延边大学硕士学位论文AbstractUnilaterallaminotomyforBilateralDecompressionForLumberSpinalStenosisDiseaseAnatomicStudiesAbstract[Objective]Thepaperistore
3、searchthetreatmentmethodofunilaterallaminotomy
forbilateraldecompression(ULBD)ofdegenerativelumbarspinalcanalstenosisbytheanatomy.[Method](ULBD)methodinthetreatmentofdegenerativelumbarspinalstenosis.10formalinfixedadultdegenerativespinespecimensareselected
4、.Unilateral
approachthespecimensforbilateraldecompression.CTscanningisperformedbeforeandaftertheoperation.Researchtheeffectofdecompressionareabasedonthemaximumdegreeofprotectionofthespinalposteriorstructurethroughbymeasuretheareaofthespinalcanal,spinalcana
5、ldiameter(ddiameter),andthemaximumtransversediameter(wdiameter).[Result]Theoperationissuccessfullycompleted,nodamageofspinalposteriorstructure.1.Beforetheoperation,thetransversediameterofvertebralendplatelevelis16.373±3.786mm,theanteroposteriordiameterofth
6、espinalcanal
is11.854±2.388mm,andtheareaofvertebralcanalis158.504±54.287mm2.
Aftertheoperation,thetransversediameterofvertebralendplatelevelis20.107±2.890mm,theanteroposteriordiameterofthespinalcanalis20.056
±3.523mm,andtheareaofvertebralcanalis267.103±48.
7、804mm2.2.Beforetheoperation,betweenthetransversediameterofspinaldisc
levelis15.331±3.799mm,theanteroposteriordiameterofthespinalcanal
is11.385±2.510mm,andtheareaofvertebralcanalis137.845±43.385mm2.Aftertheoperation,thetransversediameterofvertebralendplatel
8、evelis20.442±3.124mm,theanteroposteriordiameterofthespinalcanalis19.865
±3.569mm,andtheareaofvertebralcanalis288.300±46.268mm2.3.Beforetheoperation,thelevelofinferiorendplateofspinalcanal
diameteris15.475±3.6
