软组织未分化多形性肉瘤的CT与MRI表现与组织病理学对照_王建武.pdf

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1、中国CT和MRI杂志　2015年9月第13卷第９期总第71期CTandMRIFeaturesofSoft-tissueUndifferentiatedpleomorphicsarcoma:ComparisonwithPathologyWANGJian-wu,FENGXue-bing,PENGRuchen.DepartmentofRadiology,Luhe论著HospitalofCapitalMedicalUniversity,Beijing101149,P.R.China[Abstract]ObjectiveToinvestigateCTa

2、ndMRappearancesofundifferentiatedpleomorphicsarcomainsofttissue,inordertoimprovediagnosticaccuracy.MethodsCTandMRimagesof32patientswithhistologicallyprovedUPSwerereviewed,CTandMRimagingfindingswerecorrelatedwithhistologicfindings.ResultsOfthe32UPScases,Therewerethreediffere

3、ntpathologicalsubtypes:①highgradetype27cases;软组织未分化多形②giantcelltype3cases;③inflammatorytype2cases.Undifferentiatedpleomorphic性肉瘤的CT与MRI表sarcomawerelobulatedorirregularOvalshapeinall32lesions.27caseswithhighgrade(HG)typeand3caseswithgiantcell(GC)type,themassesshowedheterogen

4、eousdensity现与组织病理学对andsignalswithilldefinedmargin．Necrosisandcysticdegenerationintumorswereoftenfound.Thesolidcomponentwasmarkedlyheterogeneousenhanced.2lesions照accompaniedbyhemorrhageandcysticdegenerationdisplayedin3caseswithgiantcell(GC)type.2caseswithinflammatory(In)type

5、hadclearborder,hemorrhageandcysticdegenerationintumorswereuncommmonfound．thetumorsenhancedslightlyaftercontrastmedium.ConclusionCTandMRIfindingsofundifferentiatedpleomorphic首都医科大学附属北京潞河医院放sarcomainsofttissuearevaried,Theimagingscharacteristicsweredifferentrelatedtotheir射科(北

6、京101149)differentpathologicalsubtypefeatures,TherearesomecharacteristicmanifestationsinHG王建武冯学彬彭如臣typeandGCtype.ButIntypedonothavespecificimagingsigns,andthediagnosisneedpathologicexamination.【摘要】目的探讨软组织未分化多形性[Keywords]SofttissueNeoplasm;UndifferentiatedPleomorphicSarcoma;M

7、agnetic肉瘤(UPS)各亚型的CT与MRI表现及其组织ResonanceImaging;Tomography,X-rayComputedPathobiology病理学基础。方法回顾性分析经手术病理证实的32例软组织UPS患者临床、影像及病理资料。结果32例软组织UPS按照组　　软组织未分化多形性肉瘤(undifferentiatedpleomorphic织病理学分为三种亚型：①高级别UPS27例;②巨细胞UPS3例;③炎症性UPS2sarcoma,UPS)又称恶性纤维组织细胞瘤，本病1963年由Ozzello等首例。32例软组织UPS均

8、呈分叶状或不规则次报道，1967年Stout和Latters首先将这一类肿瘤命名为恶性纤维组长圆形，27例高级别UPS及3例巨细胞UPS均密度/信号不均匀，常伴囊变