腰椎射频治疗腰椎间盘突出症PPT课件

五、NormalCurvesofvertebralcolumn,Cervicalcurvature颈曲convexforwardThoraciccurvature胸曲convexbackwardLumbarcurvature腰曲convexforwardSacralcurvature骶曲convexbackward,1,-,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,3,-,Lumbarvertebrae,VertebraeBody：larger,kidney-shapeVertebralforamen:largerandtriangularSpinousprocesses:projectshorizontallyTransverseprocesses:longArticularprocesses:sagittal,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,5,-,Herniaofnucleuspulpous髓核脱出,6,-,-,7,-,8,-,9,-,10,-,11,-,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,13,-,-,14,-,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,16,-,椎间盘膨出,17,-,-,18,椎间盘突出（中央型）,-,19,椎间盘膨出（较严