第75章骨盆(gǔpén)及髋臼骨折FracturesofPelvisandAcetabulum王满宜北京积水潭医院第一页，共一百五十九页。第一页，共一百五十九页。FracturesofPelvis第二页，共一百五十九页。第二页，共一百五十九页。Pelvicpathology:Undisplaced/minmallydisplaced/displaced:StablefracturePartiallystablefracture(rotational)Completelyunstable(rotationalandvertically/translationally)IsolatediliacwingfracturesUndisplacedpubicramiifracturesTransversefracturesofsacrumbelowpelvicringOscoccygisfracturesAllpelvicligamentsintact!第三页，共一百五十九页。第三页，共一百五十九页。Unstablepelvicfractures:Partiallystable:Rotationallyunstable:External/internalrotation(lateralcompression)Flexion/extensionAbduction/adductionCompletelyunstable:Rotationallyandvertically(translationally)unstable第四页，共一百五十九页。第四页，共一百五十九页。Partiallystablepelvicfractures:Rotationallyunstable:Openbookfractures>externalrotationLateralcompressionfractures>internalrotation第五页，共一百五十九页。第五页，共一百五十九页。Externalrotation:Mechanismsofinjury:PosteriorcrushDirectpressureASISExternalrotationthroughfemur(s)>Rupturesymphysis/sacrospinouslig./anteriorsacroiliacligAlwaysposteriorandinterossessacroiliacligamentsintact!第六页，共一百五十九页。第六页，共一百五十九页。Externalrotationallyunstablefracture:Partiallystablepelvicfractures:Disruptionofsymphysisonly:>Slightexternalrotation>Wideningofsymphysismax.2.5cm=Openbookinjury第七页，共一百五十九页。第七页，共一百五十九页。Externalrotationallyunstablefractures:Partiallystablepelvicfracture:Disruptionofsymphysis,sacrospinousligamentandanteriorsacroiliacligament:>OpenbookinjuryMassiveexternalrotation>PSISabutssacrum:Externalrotationalinstability第八页，共一百五十九页。第八页，共一百五十九页。Externalrotationallyunstablefractures:Partiallystablepelvicfracture:Disruptionofsymphysis,sacrospinousligament,allsacroiliacligaments:>Openbookinjurywith:MassiveexternalrotationFlexion>Transitiontovertical/translationalinstability第九页，共一百五十九页。第九页，...
