mrcp在肝门部胆管癌的术前分型中的作用

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1、TheroleofMRCPi13preoperativeClassificationofhilarcholangiocarcinomasGraduateStudentforMasterYingyuan—ningTutor：HanYueVice—tutor：yanglian—haiDepartmentofradiology，TianjinMedicalUniversitySecondHospitalAbstractMR‘cholangiopancreatography(MRCP)wasundertakenforpreoperativeexaminationin26casesofh

2、ifarch01angiocarcinoma(HC)inthisstudy．WeanalyzedtheimagingfindingsofMRCP，andcompareditwiththeresultsofpathologyandthepatternofsurgery．Ourobjectiveswere：1．tosummarizetheimagingfeaturesofMRCP，andtoevaluateitsadvantageanddisadvantageinthediagnosisofHC；2．toevaluatetheaccuracyoftheClassifications

3、withMRCPanditsroleinthepredictionoftumorresectabilityofHC．3．tomeasurethe1engthofproximalbileductabovethelesion，andobservetheconfluenceofthehepatiChilarbileductsFinallywediscusseditsvalueinthejudgmentofthepossiblilityofthebiliary—entericanastomosesandthechoiceofthesurgerymanagement．Thisarticl

4、eisdividedintotwoparts：1．MRCPfeaturesofhilarcholangiocarcinoma．TheimagingfeaturesofHCin26caseswithsurgicalandpathologicconfirmationwerereported．OurdiscussioncenteredontheimagingfeaturesofMRCP．andtherelationbetweentheMRCPimagingfeaturesandthegrosspathologicalappearances．Ingeneralthefindingson

5、MRCPcouldbeclassifiedasthreetypes：obstruction，stenosisandfillingdefects．ThegrosspathologicalappearancesofHCcouldbeclassifiedasfourtypes．TheimagingfindingsofMRCPweredifferentamongthefourtypes：Polypoidtypelesionappeared8tSfillingdefectonMRCP；tuberculartypelesionoccultedthe6ductonMRCP：mostinfil

6、tratingtype1esionsshowedastenoticandonlyafewwiththeblockedduct：SClerosa]typelesiOffeitherblockedornarrowedtheduet．MRCPCOUldconfirmthelevelofbileobstructionwithanaccuracyof96％inthisarticle．TheaccordanceofMRCPinassessingtumorinvolvementwas81％．ButMRCPitselfiSunabletomadeahistologicaldiagnosis．M

7、RCPcoulddeterminetheleveloftheobstructionandtheinvolvedextentoftheproximalbileMRCPcouldclearlyshowthedegreeofdilatation．TheseprovidedtheguaranteetoclassificationofHCwithMRCP．2．TheroleofMRCPinpreoperativeclassificationofhilarcholangiocarcinomas．Base