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1、临床放射学杂志2008年第27卷第11期#1535#ü骨骼肌肉放射学þ膝关节痛风性关节炎的MRI诊断夏成德,樊长姝,赵小梅,方挺松=摘要>目的探讨膝关节痛风性关节炎的MRI特征性表现。资料与方法回顾性分析7例经手术、病理证实为膝关节痛风性关节炎的MRI表现。所有病例均做SE序列T1WI和FSE序列T2WI。其中4例做了钆喷酸葡胺(Gd-DTPA)增强扫描。结果膝关节骨质侵蚀破坏5例,股骨髁4例,髌骨下缘1例;股骨髁间窝区域、髌下脂肪区和/或髌韧带周围软组织见团块状病灶6例。全部痛风石病灶T1WI均呈低至中等信号;T2WI有2例呈低信号,3例有低信号病灶和低
2、至稍高混杂信号病灶,另2例则为高信号。4例增强后,病灶无强化1例,轻度不均匀强化1例,病灶边缘强化2例。结论膝关节痛风性关节炎的MRI特征性表现常是T1WI和T2WI均呈低至中等信号的肿块状病灶,且具边缘强化,其对膝关节痛风性关节炎的诊断很有价值。=关键词>痛风关节炎磁共振成像膝关节MRDiagnosisofGoutyArthritisintheKneeXIAChengde,FANChangshu,ZHAOXiaome,ietal1DepartmentofRadiolgy,FoshanTraditionalChineseMedicineHospita,lF
3、oshan,GuangdongProvince528000,P.R.China=Abstract>ObjectiveTodiscussMRIcharacteristicfeaturesofgoutyarthritisintheknee.MaterialsandMeth-odsMRIfindingsof7patientswithsurgicalandpathologicalprovedgoutyarthritisofthekneewereretrospectivelyre-viewed.AllpatientsunderwentkneeMRIplainscan
4、withSET1WIandFSET2WIsequence.SEsequenceT1WIwasob-tainedafterIVadmintrationofGd-DTPAin4patients.Results5patientshadboneerosionintheknee,4patientsinthefemoralcondyles,1patientinthepatella,6patientshadthesofttissuemassesintheintercondylarnotchandinthesubpa-tellarfatareaor/andaroundth
5、epatellarligament.AllthegoutytophidemonstratedhypointensitytoisointensitysignalonTWI.Thegoutytophiin2patientsdemonstratedhypointensitysignalonTWI,thegoutytophiin3patientsdemonstrated12hypointensityorheterogeneoushypointensitytoslightlyhyperintensitysignalonT2WIandin2patientsdemons
6、tratedhyper-intensitysignalonT2WI.Aftercontrastadministrationin4patients,thegoutytophiin1patientdemonstratednoenhance-men,tthegoutytophiin1patientwithslightlyheterogeneousenhancementandin2patientswithperipheralenhancement.ConclusionMRIcharacteristicfeaturesofgoutyarthritisofthekne
7、eoftenpresentasmassesofhypotoisointensityonbothT1WIandT2WIwithperipheralenhancement,whicharehelpfulinthediagosisofgoutarthritisoftheknee.=Keywords>GoutArthritisMagneticresonanceimagingKnee痛风性关节炎是人体内嘌呤代谢异常引起的血至2006年10月行MRI检查并经手术病理证实的7尿酸浓度增高而导致反复发作的急性或慢性关节炎例膝关节痛风性关节炎病例进行分析,重点讨论其的疾病。
8、随着人们生活水平的提高,发病率日渐增MRI表现和诊断价值。高。膝关
