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ID:34107779
大小:3.09 MB
页数:46页
时间:2019-03-03
《超声弹性成像技术对宫颈占位病变的诊断价值探讨》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、AbstractProbetheValueofUltrasoundElastographyintheDiagnosisofCervicalOccupiedLesionsPostgraduate:NingningWuSupervisor:ProfZhiyangShenDepartmentofUltrasoundTheSecondClinicalCollegeofZhengzhouUniversityZhengzhou,Henan450014,ChinaBackgroundand0bjectiveUltrasoundel
2、astographyasaneasier,novdandaccuratediagnosistechnology.Itisatechniqueforimagingmechanicalpropertiesofamaterialbymeasuringandimaginginducedstrainwithintissuefollowingtheapplicationofanexternallyapplieddisplacementtothesurfaceofthattissue.Ultrasoundtissueelastic
3、ityimaginglSexpectedasmeansforprovidingnoveldiagnosticinformationfortissuediseasesuchascancel-sincethetissuehardnessiscloselyrelatedtoitspathologicalstate.Therefore,manyinvestigationsonimagingtissueelasticitybyultrasoundhavebeencarriedoutfromthe1991s.Thevalueof
4、replacinginvasivemethodsofevaluafionwithanon-invasivetoolisapparent.ItmakeupforthedeficiencyofCT,MRIandotherimaging.Clinicalapplicationsofultrasoundelastographyincludeitsusetoassistindetectionofbreastcarcinoma,thyroidcarcinomasandalsotodifferentiatehlmourfromah
5、igh—intensityfocusedultrasound.ablatedlesionintheprostate.Investigatorshavealsocarriedoutaseriesofresearchintheliver,prostate,kidney,etc.butfewstudiesinthecervix.Cervixlackofnerve,whenthelesionsoccurpatientsoftennoself-conscioussymptoms,Orjustforasmallamountofv
6、aginalbleeding.formerlvweoftendependongynecologicalexamination.cervicalcytology,colposcopymethodtodiagnose.However,ItisdifficulttofindthecervicalcanalandcervicalIVAbstractmusclelesionsbythesemethods.Becauseultrasoundcanobservelesionfeaturessuchassize,shape,bloo
7、dflow,ere.Ithasbecametheirreplaceabletoolofthedepartmentofgynaecology.Malignantcervicaltissuehardnessincrease,ConventionalultrasoundCannotproviderelevantinformation.Gynecologicalexaminationrelyonthetactileevaluationsofmess.subjectiveisstronger.Transvaginalultra
8、soundcombinedwimultrasoundelastographyusingintracavityprobesimposecertainpressureonthecervix.Differenttissueelasticitycoefficientisdifferent,whentheyunderthesamepressureprod
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