色素沉着绒毛结节性滑膜炎MRI表现课件

PigmentedVillonodularSynovitis(PVNs)色素沉着绒毛结节性滑膜炎PigmentedVillonodular1IntroductionPigmentedvillonodularsynovitis(PVNS)comprisesagroupofidiopathiclesionsinjoints,tendonsheathesand色素沉着绒毛结节性滑膜炎主要是指关节、滑囊以及腱鞘内的滑膜特发性的呈结节状或绒毛状进行性增生。)Pigmentedvilionodularsynovitis(PVNS)isanuncommon,usuallymonoarticulardisorderandusuallyfoundinadults.Themostcommonsitespredilectionisknee-jOint(80%o,thenthehip,ankle,shoulder,elbowintun不常见,好发于成年人,生于膝关节,占80%,髖关节、踝关Introduction2ClinicalmanifestationsTheclinicalmanifestationsislackofspecificity.Themainhemorrhagicjointettiwsrecurrentiointeffusions,whichcanbemisdiagnosedasarthritis.EPisodesbetoundbe本病的临床表现缺乏特异性临床主要表现为受累关节进行性肿胀期婪菱花静规,本柄可引起反形ThecauseotPVNSisnotclear,mayberelatedwithtumortraumaandintection(本病的病因尚不明,一般认为与肿瘤、外伤、感染有关Clinicalmanifestations3Diagnosis:imagingfindingsX-ray:theroutineX-rayshowsmajosymptomsincludingjointcapswelling,softtissuemassinperipheryofointandinvasionofbonewhichedgeshowsossifiedring,butjointspaceisormal.noosteCrOSsx线表现:常规ⅹ线平片上主要征象包括关节囊肿节周围软组织肿块及邻近骨骼的侵损边缘有硬化环,但关节间隙保持正常,无骨质疏松Diagnosis:imagingfindings4Diagnosis:imagingfindingsCTfindings:showsjointcapsuleswellingthickenedsynoviumandobviousjointeffusionCT表现:表现为关节囊肿胀滑膜增厚,关节腔内明显积液YDiagnosis:imagingfindings5色素沉着绒毛结节性滑膜炎MRI表现课件6色素沉着绒毛结节性滑膜炎MRI表现课件7色素沉着绒毛结节性滑膜炎MRI表现课件8色素沉着绒毛结节性滑膜炎MRI表现课件9色素沉着绒毛结节性滑膜炎MRI表现课件10色素沉着绒毛结节性滑膜炎MRI表现课件11色素沉着绒毛结节性滑膜炎MRI表现课件12色素沉着绒毛结节性滑膜炎MRI表现课件13色素沉着绒毛结节性滑膜炎MRI表现课件14色素沉着绒毛结节性滑膜炎MRI表现课件15色素沉着绒毛结节性滑膜炎MRI表现课件16色素沉着绒毛结节性滑膜炎MRI表现课件17色素沉着绒毛结节性滑膜炎MRI表现课件18色素沉着绒毛结节性滑膜炎MRI表现课件19色素沉着绒毛结节性滑膜炎MRI表现课件20色素沉着绒毛结节性滑膜炎MRI表现课件21色素沉着绒毛结节性滑膜炎MRI表现课件22色素沉着绒毛结节性滑膜炎MRI表现课件23PigmentedVillonodularSynovitis(PVNs)色素沉着绒毛结节性滑膜炎PigmentedVillonodular24IntroductionPigmentedvillonodularsynovitis(PVNS)comprisesagroupofidiopathiclesionsinjoints,tendonsheathesand色素沉着绒毛结节性滑膜炎主要是指关节、滑囊以及腱鞘内的滑膜特发性的呈结节状或绒毛状进行性增生。)Pigmentedvilionodularsynovitis(PVNS)isanuncommon,usuallymonoarticulardisorderandusuallyfoundinadults.Themostcommonsitespredilectionisknee-jOint(80%o,thenthehip,ankle,shoulder,elbowintun不常见,好发于成年人,生于膝关节,占80%,髖关节、踝关Introduction25ClinicalmanifestationsTheclinicalmanifestationsislackofspecificity.Themainhemorrhagicjointettiwsrecurrentiointeffusions,whichcanbemisdiagnosedasarthritis.EPisodesbetoundbe本病的临床表现缺乏特异性临床主要表现为受累关节进行性肿胀期婪菱花静规,本柄可引起反形ThecauseotPVNSisnotclear,mayberelatedwithtumortraumaandintection(本病的病因尚不明,一般认为与肿瘤、外伤、感染有关Clinicalmanifestations26Diagnosis:imagingfindingsX-ray:theroutineX-rayshowsmajosymptomsincludingjointcapswelling,softtissuemassinperipheryofointandinvasionofbonewhichedgeshowsossifiedring,butjointspaceisormal.noosteCrOSsx线表现:常规ⅹ线平片上主要征象包括关节囊肿节周围软组织肿块及邻近骨骼的侵损边缘有硬化环,但关节间隙保持正常,无骨质疏松Diagnosis:imagingfindings27Diagnosis:imagingfindingsCTfindings:showsjointcapsuleswellingthickenedsynoviumandobviousjointeffusionCT表现:表现为关节囊肿胀滑膜增厚,关节腔内明显积液YDiagnosis:imagingfindings28色素沉着绒毛结节性滑膜炎MRI表现课件29色素沉着绒毛结节性滑膜炎MRI表现课件30色素沉着绒毛结节性滑膜炎MRI表现课件31色素沉着绒毛结节性滑膜炎MRI表现课件32色素沉着绒毛结节性滑膜炎MRI表现课件33色素沉着绒毛结节性滑膜炎MRI表现课件34色素沉着绒毛结节性滑膜炎MRI表现课件35色素沉着绒毛结节性滑膜炎MRI表现课件36色素沉着绒毛结节性滑膜炎MRI表现课件37色素沉着绒毛结节性滑膜炎MRI表现课件38色素沉着