Chapter 34 – Bone Tumors

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1、CHAPTER34BONETUMORSHerbertS.SchwartzandGingerE.Holt4Ennekingandcolleagues.RomannumeralIreferstoalow-oncologicresectiongradeskeletalsarcomaasinterpretedbythepathologist.RomanskeletalreconstructionnumeralIIishighgrade.RomannumeralIIIsignifiesmetastasis,geneticswhetherregionalordistant.TheletterAref

2、erstointracompart-benignbonetumorsmentaltumorlocalization,whereastheletterBreferstoextra-skeletalsarcomascompartmentalgrowthoftheprimaryskeletalsarcoma.Aboneskeletalmetastasestumorthatbeginsinthefemurandgrowsintothequadricepsfutureconsiderationsmusculatureisextracompartmentalbecauseithasgrownouto

3、fitsoriginalcompartmentintoanother.Pathologicfracturescanbethoughtofasextracompartmentaltumors.TheEnnekingsystemhasfivestages,IA,IB,IIA,IIB,andIII.StageIIBtumorsOrthopediconcologyisacomplexsurgicaldisciplinethatarehighrisk.StageIIIrepresentsmetastasesofanytype.Theinvolvesthecareandmanagementofind

4、ividualswithprimarystagingsystemoftheAmericanJointCommitteeonCancerhasandsecondaryneoplasmsofthemusculoskeletalsystem.Thenotbeenuniversallyadoptedforskeletalsarcomas.neoplasmsmaybebenignormalignant.ThischapterdealswithBonetumormanagementcanbestbesummarizedbythreebonetumorsonly.factors.Thefirstist

5、headequacyofoncologicresection.TheManagementofbonetumorsismoredifficultthantreat-secondisthetypeandextentofskeletalreconstruction.Thementofneoplasmsinotherorgansitesbecauseoftheneedforthirdisthefunctionaloutcomeanticipatedbythespecifictypeskeletalstability.Adequateoncologicresectionmustbefollowed

6、ofskeletalreconstruction.Allthreefactorsmustbeweighedandbyskeletalreconstructionandrestorationoffunction.Withdiscussedwiththepatientandcaregiverstodecideonthebenignlesions,theprocessofreconstructionmaybefacilitatedoptimalmanagementforaparticularindividual.Adequacyofbybone’suniquepropertyofregener

7、ating,eveninadults.Forthesurgicaloncologicmarginisnotalwaystheprimeconsider-malignantlesions,bonecannotbereliedontohealandaggres-ation;surgicalresectionforpalliationisoftenimportant.siveunconventionalreconstructionisre