超声弹性成像技术对宫颈占位病变的诊断价值探讨

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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