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1、醫(yī)學(xué)臨床研究2006年8月第23卷第8期JClinRes,Aug.2006,Vol23,?81247論著男性尿道狹窄及尿道周?chē)w維化的MRI評(píng)價(jià)2122彭光明黃新華何恢緒羅積慎(1.解放軍駐香港部隊(duì)醫(yī)院放射科,廣東深圳518048;2.廣州軍區(qū)廣州總醫(yī)院,廣東廣州510010)[摘要]目的!評(píng)估MR成像技術(shù)應(yīng)用于尿道狹窄及尿道周?chē)w維化的價(jià)值。方法!對(duì)12例因外傷致尿道狹窄的男性患者采用SimensSonata1.5T掃描儀掃描,常規(guī)做橫軸位和矢狀位SET1和FSET2加權(quán)掃描,經(jīng)靜
2、脈注射造影劑后再做橫軸位和矢狀位T1加權(quán)掃描,部分加做了橫軸位和矢狀位的短反轉(zhuǎn)恢復(fù)(STIR),所有病例均做了常規(guī)尿道造影,并都有外科手術(shù)評(píng)估。結(jié)果!所有患者的常規(guī)尿道造影都有尿道狹窄。但是不能明確瘢痕的位置及瘢痕量。MRI證實(shí)了所有患者的尿道或尿道周?chē)鸟：?與手術(shù)結(jié)果完全符合。7例患者在手術(shù)后進(jìn)行了MRI復(fù)查。發(fā)現(xiàn)有5例瘢痕復(fù)發(fā),2例未見(jiàn)異常。5例因?yàn)榘Y狀持續(xù)而再次手術(shù),手術(shù)結(jié)果與磁共振發(fā)現(xiàn)吻合。結(jié)論!MRI可以診斷男性尿道及尿道周?chē)鸟：?不僅可以顯示瘢痕形態(tài),更可以顯示瘢痕量。隨著掃描技術(shù)的不斷改進(jìn),MRI對(duì)
3、于顯示尿道及尿道周?chē)鸟：塾衅渌\斷方法不可替代的作用。[關(guān)鍵詞]尿道狹窄;纖維變性;磁共振成像MagneticResonanceImagingforDiagnosisofUrethralStrictureandPeriurethralPathologicFibrosisinMalePENGGuangming,HUANGXinhua,HEHuixu,etal(DepartmentofRadiology,GunClubHillMilitaryHospitalofPLA,Hongkong,Ch
4、ina)[Abstract]Objective!ToevaluateMRIinthediagnosisofmaleurethralstrictureandperiurethralfibrosis.Methods!TwelveconsecutivepatientspresentedwithurethralscarsbetweenJune2003andOctober2004.Assessmentincludedhistory,physicalexaminationandotherradiologicevaluati
5、ons.PatientswerescannedwithSimensSonatascanner.TheprotocolwasobtainedwithaxialT1weighted,T2weighted,shortinversionrecovery(STIR),andsagittalT2weightedsequences.AllhadscannedwithGDDTPAintravenousinjection.Allpatientshadsurgicalevaluation.Results!Inallofthesepat
6、ients,aprecisediagnosiscouldnotbeestablishedbyotherimagingmodalitiesandathoroughphysicalexamination.MRIdemonstratedperiurethralfibrosisin12patients.Allpatientshadsurgicaloperation.Sevenofthe12patientswhounderwentrepeatMRI,werefoundpersistenceorrecurrenceoffib
7、rosisin5,andnonewfindingsin2.Fiveofthesepatientswithpersistentsymptomshadundergoneurethrolysis.GoodcorrelationwasobservedbetweenthesubjectiveestimateoftheamountofscartissueencounteredduringurethrolysisandtheinterpretationoftheMRimagingsbytheradiologist.Conclus
8、ions!OurexperiencesuggeststhatMRImayhelpbetterdefinethediagnosisofurethralandperiurethralpathologicfibrosisinmalepatients.Withimprovedscanning,MRIwilllikelyhavearoleinevalu
