妇产科疾病的超声诊断2011-ENGLISH.ppt

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1、UltrasonographyonGynecologyandObstetricsLiuLipingSangreal--------uterusTHEDAWINCICODEPelvicCavityPosterior:Occupiedbyrectum,colon,andileumAnterior:bladder,ureters,ovaries,fallopiantubes,uterus,andvaginaNORMALANATOMYPre-inspection:ModeratebladderfillingUterusHollow,pear-shapedorganDivi

2、dedintofundus,body,andcervixUsuallyanteflexedandantevertedCoveredwithperitoneumexceptanteriorlybelowtheoswhereperitoneumisreflectedontobladderSupportedbylevatoranimusclesandpelvicfasciaRoundligamentkeepsuterusinpositionUterinesizePrepubertal:3cmlongby0.5to1.0cmwideMenarcheal:8cmlongby

3、4cmwidePostmenopausal:3.5to5.5cmlongby1to2cmwideNormalsize:2~3(thick)×4~5(width)×7~8cm(length)UterinelongitudinaldiameterUterinewidediameterUterusbeforeandaftertheTraillength7~8cmbeforeandaftertheTrail2~3cmwidth4~5cmUterinePositionMidlineanteversion:mostcommon;degreeofanteversionisbla

4、dderdistentiondependentRightorleft:normalvariantinabsenceofpelvicmassesRetroverted:entireorgandisplacedposteriorlyRetroflexed:bodydisplacedwithrespecttocervixUltrasonographyofnormaluterusUterineserosalayer:Linearhigh-echo;clear,smooth;Myometrium:Homogeneousmiddle-echo;Endometria:Themi

5、ddlelineofhighecho,aroundtheweakecho.Itiswellknownthattheendometriumchangesdynamicallyinresponsetocyclichormonalflux.UterineserosalayerMyometriumEndometriaNormaluterustransabdominalultrasonographyTransvaginalsagittalviewoftheuterus.Theroundedfundusisshowntowardtheleftoftheimagewiththe

6、endometrialstriperummingthroughthemiddleoftheuterinecavity.MyometriumEndometriaUterineserosalayerFallopianTube（输卵管）Infundibulum:funnel-shapedlateraltubethatprojectsbeyondthebroadligamenttooverlietheovariesAmpulla:sidestpartofthetubewherefertilizationoccursIsthmus:hardestpart;liesjustl

7、ateraltotheuterusLength:12cm;suppliedbyovarionarteriesandveinsOvary（卵巢）AlmondshapedAttachedtobackofthebroadligamentbymesovarium;sometimescalledsuspensoryligamentoftheovaryLiesinovarianfossaFossaisboundedbyexternaliliacvessels,ureter,andobturatornerveReceivesbloodfromovarianarteryBlood

8、drain