腰椎射频治疗腰椎间盘突出症PPT课件.pptx

五 NormalCurvesofvertebralcolumn Cervicalcurvature颈曲convexforwardThoraciccurvature胸曲convexbackwardLumbarcurvature腰曲convexforwardSacralcurvature骶曲convexbackward 2020 3 19 1 2020 3 19 2 Generalfeaturesofvertebrae Vertebralbody椎体Vertebralarch椎弓pedicleofvertebralarch椎弓根 sup andinf Vertebralnotch椎上 下切迹laminaofvertebralarch椎弓板process 7 spinousprocess棘突transverseprocess横突sup andinf articularprocesses上 下关节突Vertebralforamen椎孔Vertebralcanal椎管Intervertebralforamen椎间孔 2020 3 19 3 Lumbarvertebrae VertebraeBody larger kidney shapeVertebralforamen largerandtriangularSpinousprocesses projectshorizontallyTransverseprocesses longArticularprocesses sagittal 2020 3 19 4 1 Jointsofthevertebralbodies椎体间的连结 Intervertebraldiscs椎间盘betweenbodiesofadjacentvertebrae composedof Nucleuspulpous髓核 aninnersoft pulpy highlyelasticstructure gelatinouscore Annulusfibrosus纤维环anouterfibrousringconsistingoffibrocartilage 2020 3 19 5 Herniaofnucleuspulpous髓核脱出 2020 3 19 6 2020 3 19 7 2020 3 19 8 2020 3 19 9 2020 3 19 10 2020 3 19 11 2020 3 19 12 2 Jointsofthevertebralarches椎弓间的连结 Ligamentaflava黄韧带 elasticligament unitelaminaeofadjacentvertebrae andcompletetheposteriorwallofvertebralcanal tendtopreventhyperflexionofthevertebralcolumnInterspinalligament棘间韧带Supraspinalligament棘上韧带Ligamentumnuchae项韧带Intertansverseligament横突间韧带Zygapophysialjoint关节突关节 2020 3 19 13 2020 3 19 14 2020 3 19 15 椎管狭窄 发生于椎管 侧隐窝和椎间孔 先天或后天性 颈 10mm 腰 11 5mmCT 椎体后缘骨赘向椎管内突入 侧隐窝狭窄 椎间盘退变膨出和上下关节突肥大是其主要原因 前后径 2mm为狭窄 2 4mm为可疑 黄韧带或后纵韧带肥厚 骨化 椎体滑脱 椎板峡部裂或椎间盘 韧带退变 MRI 征象同CT 2020 3 19 16 椎间盘膨出 2020 3 19 18 2020 3 19 19 椎间盘突出 中央型 2020 3 19 20 椎间盘膨出 较严重 向后有突出 椎间盘突出 2020 3 19 21 2020 3 19 22 2020 3 19 23 2020 3 19 24 2020 3 19 25 20