低剂量摄影在触诊阴性乳腺病灶介入性操作中的应用

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1、泰山医学院硕士学位论文THEAPPLICATIONOFRADIATIONDOSEREDUCTIONINPOSTINTERVENTIONALDIGITALMAMMOGRAMSStudent:ZhangJingSpeciality:ImagingandNuclearMedicineSupervisor:Prof.YangYanminABSTRACTChapterOneTHECLINICALVALUEOFNEEDLELOCALIZEDBIOPSYGUIDEDBYDIGITALMAMMOGRAPHYINNONPALPABLEBREASTLE

2、SIONS．Objective:Toevaluatetheclinicalvalueofneedle-localizedbiopsyguidedbydigitalmammographyinnonpalpablebreastlesions．MaterialsandMethods：37patientswhohadthenonpapablebreastlesionsfoundbydigitalmammographywereretrospectively.Allthepatientsunderwenttheneedlelocalizedbi

3、opsyguidedbydigitalmammographybeforethesurgeryandtheremovedtissueswereconfirmedbypathologicdiagnosis．Results：37patientswithmammographyexaminationshowed42lesions.Allthelesionswerelocalizedsuccessfully.Pathologicalfindings：22caseswerebenignlesions(52．38％)，concluding10loc

4、alductalectasiawithcalcification，12ductalhyperplasia．6caseswerehighrisklesions,concluding3atypicalductalhyperplasia，3papillomatosis.14caseswerebreastcarcinoma(33．33％)，concluding9ductalcarcinomainsitu，2lobular3万方数据泰山医学院硕士学位论文carcinomainsitu.3caseswereinvasivecarcinoma.C

5、onclusions:Needle-localizedbiopsybecamepreferentialtechniquestopathologicaldiagnosisofnonpalpablebreastlesionsbecauseofconvenientoperationandpreciselocalization.Itcanprovidetheaccurateguidanceforopenbiopsyandpromoteearlydiagnosisofbreastcancer,whichhasbetterclinicalapp

6、licationvalue.Keywords:Nonpalpablebreastlesion;Localizationbiopsy；digitalmammographyChapterTwoPRELIMINARYSTUDYOFRADIATIONDOSEREDUCTIONINNEEDLE-LOCALIZEDBREASTBIOPSY(NLBB)Objective:ApreliminarystudyofradiationdosereductioninNeedle-localizedbreastbiopsy(NLBB).Materialsan

7、dMethods：10casesofneedle-localizedbreastbiopsywereincludedinthisstudyanddevidedintwogroups（doserenductiongroupandSTDgroup)，allthelesionsweremanifestedascalcifications.Forthepostinterventionaldigitalmammogramsofthedosereductiongroup,themilliamperesecondswerereducedby50%

8、.Theradiographicparameters(anodetrack,filter,kVp,milliampereseconds)wereselectedbytheSTD(standard)modeofthesystem,ast