·145CHINESEJOURNALOFCTANDMRI,FEB.2023,Vol.21,No.02TotalNo.160【第一作者】杜灏蓝，男，主治医师，主要研究方向：盆底疾病的MR诊断。E-mail：820980145@qq.com【通讯作者】杜灏蓝论著MRImagingFeaturesofRecurrentAnalFistula*DUHao-lan*,YECheng-bin,WUXian-yan,QIWan,LANPeng.People'sHospitalAffiliatedtoFujianUniversityoftraditionalChinesemedicine,Fuzhou350004,FujianProvince,ChinaABSTRACTObjectiveToexplorethefeaturesandrulesofrecurrentanalfistulainMRimages.MethodsWillthisstudyforthefirsttimein29casesbeforetheoperation,secondlysurgerybeforeMRIenhancedscanimagedataweresetascontrolgroup,researchgroup.Respectivelywiththefirstandsecondoperationagainstthefistula.Fistularesultsindicatetheaccuracy,consistentlyofanalfistulaclassification,andcharacteristicsofretrospectiveanalysisofMRIimages.ResultsTheaccuracyofinnerorifices,mainfistulasandbranchtubesinthecontrolgroupandstudygroupwere91.1%,95.2%,90.3%,95.0%,97.3%and88.0%.TheconsistencyofPreoperativeandoperativeMRItypingwasgoodinboththecontrolgroupandthestudygroup,andtheKappavalueswere0.891and0.929(Parksclassification);0.946and0.949(accordingtothenumberandlocationofthefistula).Comparedwiththecontrolgroup,theinternalorificepositioninthestudygroupwasnothigherthantheoriginalinternalorificeposition,andtherewasnoobviousperianalabscessformation.Mostofthefistulasbecamethinner,theareaofinflammatoryinfiltrationbecamesmaller,scarformation,andnosignificantanalsphincterfunctionimpairment.Thenumberandlengthofpartialfistulaswerereduced,andtheclassificationtendedtobesimplified.ConclusionsMRcancompletethefirstdiagnosisandpreoperativeassessmentoftherecurrentanalfistula.Inthisstudy,mostMRIobservationitemsofrecurrentanalfistulasshowedapositivetrendtovaryingdegrees,withcertainMRIimagingcharacteristicandrules.Keywords:Recurrent;AnalFistula;MRI;ImagingFeatures肛瘘是一种主要由肛腺感染引起的常见外科疾病，青中年男性由于其齿状线水平的肛腺较多而成为该病的好发人群，男女发病率之比约2：1[1]。肛瘘不能自愈，手术是目前治疗肛瘘的主要方法，以期达到既减少肛门括约肌损伤又彻底...
