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1、progress on the applicationof ultrasound ingynecologyendo-luminalultrasound（腔内超声）Real-TimeTissueElastography(弹性成像)Contrastenhancedultrasound（超声造影）Three-dimensionalUltrasonography（3D三维超声）uterine cavityultrasonographyIndicationscontraindicationTransvaginalUltrasounduterine cavityultras
2、onographypathologyIA022IB256IC143ambiguity800acoustic penetrationdepth isinverselyproportionaltotheprobefrequency。Resolutionisproportionaltotheprobe frequencyAdvantagesandlimitationsHigh-frequency,highresolution,clearimageSmallscanningradius妇科腔内超声适应症和禁忌症适应症禁忌症：1）未婚无性生活史；2）阴道出血；3）阴道炎
3、；4）老年性或放射性阴道萎缩；4）先天性阴道闭锁。相对禁忌症：1）患者不同意阴道超声检查；2）超出阴道探头探查范围的盆腔肿块；3）中、晚期妊娠有阴道出血原因不明者。---临床技术操作规范超声医学分册2、实时组织弹性成像（Real-TimeTissueElastography）[Elastography]Thehardnessoforganizationis closerelativetohistopathology.GrayscaleorcolorcodedimagingsoftsofthardexternalforcesofthardElastography1
4、points：deformation,green；2points：largelydeformation,Greenandbluemosaic；3points：Boundarydeformation－green,centerpartundeformed,blue4points：tumorundeformed－blue；5points：tumorandperienchymaundeformed,tumorandperienchyma－bluequantitativeanalysis－－qualitativeanalysis1pointsbenign2～3points
5、Benignmaybe4pointsPayattentiontothedifferentialdiagnosis5pointsmalignancymaybestrainratio------quantitativeanalysissoftwarestrainratio(应变率)Strainratio=B/A=FLR=tumor/fattytissue(referencevalue4.3）Strainratio=B/A=tumor/referencetissue(referencevalue3.08）clinicalapplicationTheearlydiagn
6、osisofcancer・Benign,malignantjudgement・Diffusionregion・ToconfirmthetherapeuticeffecclinicalstagingofvenousthrombosisHepaticfibrosisThecorrespondingclinicalfield：Thyroid,breast,prostate,skin,liver,pancreas,uterus/ovary,lymphnode,vascular,rectum,testis……3、Contrast-EnhancedUltrasoundThe
7、shortageofconventionalultrasounddifferentialdiagnosisofbenignandmalignantdiseasesLowspecificityLowsensitivityAdieasehasabroadspetrumofsonographicapperance，variousdieaseshavecommonsonographicapperanceOvariancysticmassTheprincipleofconventionalultrasound2D：acousticimpedanceacousticatte
8、nuationCDFI：
