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1、Preoplateraldemonstratingjointdepressiontypeoffracturewithdisplacementofatuberosityandextensionintothecalcanealcuboidjoint.The30degreesemi-coronalandaxialCATscansofthefracture.TALUSDISPLACEDPOSTERIORFACETINTACTPOSTERIORFACETSECONDARYFRACTURELINETUBEROSITYANTE
2、ROLATERALFRAGMENTTHALAMIC(SUSTENTACULAR)FRAGMENTDISPLACEDPOSTERIORFACETThepatientispositionedcarefullyinthelateraldecubituspositionwithpadsundertheaxillaanddownsideperonealnerve.Thedownlegisplacedforwardagainstandparallelwiththeanterioredgeofthebed.Pillowsare
3、placedbetweenthelegsandenoughsheetsbehindthedownlegsuchthattheoperativelegliesparallelwiththegroundandatthelevelofthepatient’ship.Thewrinkletest,asdescribedbySanders,involvesdorsiflexingthefootfromaplantar-fixedpositionandlookingfornormalskinturgor,asevidence
4、dbywrinklingoftheskinalongtheareaofthelateralpartofthefoot.ANTERIORACHILLESBORDERINCISIONPERONEALTENDONSFIFTHMETATARSALTheincisionisslightlycurvedandL-shaped,beginningjustanteriortotheAchilles,curvingattheleveloftheskincolorchange,runningparallelwiththesoleof
5、thefootandthencurvingslightlyupanteriorlyatitsdistalextent.FIBULAWiththetourniquetinflated,thecorneroftheincisionisbroughtdirectlydowntobone.ABDUCTORFASCIATowardthedistalextentoftheincisionthefasciaoftheabductorshouldbeidentifiedanddissectionshouldbeperformed
6、superficiallytothissoasnottodevascularizethemusclelayer.Inordertodissectdirectlyonthecalcaneusinasubperiostealmanner,significanttensionshouldbedevelopedbyholdingtheheelinvertedwiththethumbandpullingdirectlylaterallyawayfromthefootwithasharpretractorhelddeepin
7、theflap.TENSIONThetensionasdevelopedallowsforeasydissectioninasubperiostealmanner,withaknifethatisheldessentiallyparallelwiththebone.Many#15bladeswillbenecessaryinordertodissectouttheentirecalcaneus.PERONEALTENDONSAftertheflapiscompletelyelevated,theperonealt
8、endonsarevisibleatthedistalextentoftheflap.Caremustbetakennottodamagethesetendonsasthedissectionprogressesdistally.LATERALPROCESSOFTALUSCloseupviewdemonstratingthatwithflapelevationthelat