痛风性关节炎:MRI表现及临床分析沈佳志1,陈忠达2,马周鹏2,于骞2,王春2,朱建忠3(1.浙江省慈溪市宗汉医院放射科浙江宁波315301;2.温州医学院附属慈溪医院放射科浙江宁波315300;3.泰山医学院附属医院影像中心山东泰安271000)【摘要】目的分析痛风性关节炎(GA)的MRI表现及临床特点,提高诊断准确率。方法回顾性分析经临床及病理证实的15例GA的MRI及临床资料。结果15例临床均表现为程度不等的关节疼痛,11例同时伴有血清尿酸升高。15例中跖趾关节6例(5例发生于第1跖趾关节),踝关节4例,膝关节3例,肘关节及髋关节各1例,9例为2个以上关节受累。15例MRI均见受累关节软组织偏侧性肿胀及关节软骨程度不等的侵蚀,13例见关节面及邻近骨质不规则压迫、变薄或囊状、穿凿状破坏,并见邻近骨质及骨髓腔水肿、关节积液;11例显示结节状、条块状痛风结节,最大直径约3.5~56mm,边界较清楚,位于关节滑膜、骨内或关节腔。痛风结节多数呈T1WI及T2WI较低信号,少部分呈T1WI较低T2WI较高信号。12例伴有程度不等关节间隙狭窄、周边骨质增生硬化;5例出现关节明显畸形。结论GA的影像学表现多样,MRI有利于显示痛风结节、早期的软组织病变及轻微软骨、骨质破坏,对其诊断具有重要价值。【关键词】痛风性关节炎;磁共振成像;诊断中图分类号:R684.3;R445.2文献标识码:A文章编号:1006-9011(2014)05-0839-04MRIfeaturesandclinicalanalysisofgoutyarthritisSHENJia-zhi1,CHENZhong-da2,MAZhou-peng2,YUQian2,WANGChun2,ZHUJian-zhong31.DepartmentofRadiology,ZonghanHospitalofCixiCity,Ningbo,Zhejiang315301,P.R.China2.DepartmentofRadiology,AffiliatedCixiHospitalofWenzhouMedicalCollege,Ningbo,Zhejiang315300,P.R.China3.DepartmentofRadiology,AffiliatedHospitalofTaishanMedicalCollege,Taishan,Shandong271000,P.R.Chi-na【Abstract】ObjectiveToanalysetheMRIfeaturesandclinicalcharactersofgoutyarthritisandtoimprovethediagnosticaccuracy.MethodsTheMRIdataandclinicalinformationsof15casesofgoutyarthritisconfirmedbyclinicandpathologywerereviewed.ResultsAll15casesshowedacheofjointofdifferentdegree,11casesaccompaniedwiththehoistofuricacid.6casesshowedtheinjureofmetatarsophalangealjoint,ofwhich5casesoccuredinthefirstmetatarsophalangealjoint.4casesoccuredinankleand3casesinknee,1caseinelbowand1caseinhip,and9casesshowedmulti-jointinju-ry.All15casesshowedtheanisomerousedemaofsofttissueanddifferentinjuryofcartilage.Irregularextrusionorde-structionofbone,edemaofbone...