色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件

PigmentedVillonodularSynovitis(PVNs)色素沉著絨毛結(jié)節(jié)性滑膜炎PigmentedVillonodular1IntroductionPigmentedvillonodularsynovitis(PVNS)comprisesagroupofidiopathiclesionsinjoints,tendonsheathesand色素沉著絨毛結(jié)節(jié)性滑膜炎主要是指關(guān)節(jié)、滑囊以及腱鞘內(nèi)的滑膜特發(fā)性的呈結(jié)節(jié)狀或絨毛狀進行性增生。)Pigmentedvilionodularsynovitis(PVNS)isanuncommon,usuallymonoarticulardisorderandusuallyfoundinadults.Themostcommonsitespredilectionisknee-jOint(80%o,thenthehip,ankle,shoulder,elbowintun不常見,好發(fā)于成年人,生于膝關(guān)節(jié),占80%,髖關(guān)節(jié)、踝關(guān)Introduction2ClinicalmanifestationsTheclinicalmanifestationsislackofspecificity.Themainhemorrhagicjointettiwsrecurrentiointeffusions,whichcanbemisdiagnosedasarthritis.EPisodesbetoundbe本病的臨床表現(xiàn)缺乏特異性臨床主要表現(xiàn)為受累關(guān)節(jié)進行性腫脹期婪菱花靜規(guī),本柄可引起反形ThecauseotPVNSisnotclear,mayberelatedwithtumortraumaandintection(本病的病因尚不明,一般認為與腫瘤、外傷、感染有關(guān)Clinicalmanifestations3Diagnosis:imagingfindingsX-ray:theroutineX-rayshowsmajosymptomsincludingjointcapswelling,softtissuemassinperipheryofointandinvasionofbonewhichedgeshowsossifiedring,butjointspaceisormal.noosteCrOSsx線表現(xiàn):常規(guī)ⅹ線平片上主要征象包括關(guān)節(jié)囊腫節(jié)周圍軟組織腫塊及鄰近骨骼的侵損邊緣有硬化環(huán),但關(guān)節(jié)間隙保持正常,無骨質(zhì)疏松Diagnosis:imagingfindings4Diagnosis:imagingfindingsCTfindings:showsjointcapsuleswellingthickenedsynoviumandobviousjointeffusionCT表現(xiàn):表現(xiàn)為關(guān)節(jié)囊腫脹滑膜增厚,關(guān)節(jié)腔內(nèi)明顯積液YDiagnosis:imagingfindings5色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件6色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件7色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件8色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件9色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件10色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件11色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件12色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件13色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件14色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件15色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件16色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件17色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件18色素沉著絨毛結(jié)節(jié)性滑膜炎MRI表現(xiàn)課件19色素沉