妇产科疾病的超声诊断ENGLISH课件

妇产科疾病的超声诊断-ENGLISH2022/12/17妇产科疾病的超声诊断ENGLISH妇产科疾病的超声诊断-ENGLISH2022/12/13妇产1Sangreal--------uterusTHEDAWINCICODE妇产科疾病的超声诊断ENGLISHSangreal--------uterusTHEDAWI2PelvicCavityPosterior:Occupiedbyrectum,colon,andileumAnterior:bladder,ureters,ovaries,fallopiantubes,uterus,andvaginaNORMALANATOMY妇产科疾病的超声诊断ENGLISHPelvicCavityNORMALANATOMY妇3Pre-inspection:Moderatebladderfilling

妇产科疾病的超声诊断ENGLISHPre-inspection:Moderatebladd4UterusHollow,pear-shapedorganDividedintofundus,body,andcervixUsuallyanteflexedandantevertedCoveredwithperitoneumexceptanteriorlybelowtheoswhereperitoneumisreflectedontobladderSupportedbylevatoranimusclesandpelvicfasciaRoundligamentkeepsuterusinposition妇产科疾病的超声诊断ENGLISHUterusHollow,pear-shapedorga5UterinesizePrepubertal:3cmlongby0.5to1.0cmwideMenarcheal:8cmlongby4cmwidePostmenopausal:3.5to5.5cmlongby1to2cmwideNormalsize:2~3(thick)×4~5(width)×7~8cm(length)妇产科疾病的超声诊断ENGLISHUterinesizePrepubertal:3cm6Uterinelongitudinaldiameter

Uterinewidediameter

UterusbeforeandaftertheTrail

妇产科疾病的超声诊断ENGLISHUterinelongitudinaldiameter7length7~8cmbeforeandaftertheTrail

2~3cmwidth4~5cm妇产科疾病的超声诊断ENGLISHlength7~8cmbeforeandaftert8UterinePositionMidlineanteversion:mostcommon;degreeofanteversionisbladderdistentiondependentRightorleft:normalvariantinabsenceofpelvicmassesRetroverted:entireorgandisplacedposteriorlyRetroflexed:bodydisplacedwithrespecttocervix妇产科疾病的超声诊断ENGLISHUterinePositionMidlineanteve9UltrasonographyofnormaluterusUterineserosalayer:Linearhigh-echo;clear,smooth;

Myometrium:Homogeneousmiddle-echo;Endometria:Themiddlelineofhighecho,aroundtheweakecho.Itiswellknownthattheendometriumchangesdynamicallyinresponsetocyclichormonalflux.妇产科疾病的超声诊断ENGLISHUltrasonographyofnormaluter10Uterineserosalayer

Myometrium

Endometria

Normaluterustransabdominalultrasonography妇产科疾病的超声诊断ENGLISHUterineserosalayerMyometriu11Transvaginalsagittalviewoftheuterus.Theroundedfundusisshowntowardtheleftoftheimagewiththeendometrialstriperummingthroughthemiddleoftheuterinecavity.MyometriumEndometriaUterineserosalayer妇产科疾病的超声诊断ENGLISHTransvaginalsagittalviewof12FallopianTube（输卵管）Infundibulum:funnel-shapedlateraltubethatprojectsbeyondthebroadligamenttooverlietheovariesAmpulla:sidestpartofthetubewherefertilizationoccursIsthmus:hardestpart;liesjustlateraltotheuterusLength:12cm;suppliedbyovarionarteriesandveins妇产科疾病的超声诊断ENGLISHFallopianTube（输卵管）Infundibulu13Ovary（卵巢）AlmondshapedAttachedtobackofthebroadligamentbymesovarium;sometimescalledsuspensoryligamentoftheovaryLiesinovarianfossaFossaisboundedbyexternaliliacvessels,ureter,andobturatornerveReceivesbloodfromovarianarteryBlooddrainedbyovarianveinintoinferiorvenacavaonright;onleftbyovarianveinintolertrenalvein妇产科疾病的超声诊断ENGLISHOvary（卵巢）Almondshaped妇产科疾病的14SonographyofthenormalovaryAnovoidhomogeneousechodensity;follicularcystsareoftenpresent.Thebestsonographicmarkerfortheovaryisidentificationofafollicularcyst,whichhastheclassicappearanceofbeingthinwalledandanechoicwiththrough-transmissionposteriorly.妇产科疾病的超声诊断ENGLISHSonographyofthenormalovary15Transabdominalsagittalimageshowstheleftovaryposteriortotheurinarybladder妇产科疾病的超声诊断ENGLISHTransabdominalsagittalimage16Transvaginalsagittalimageoftheovaryovarianfollicle妇产科疾病的超声诊断ENGLISHTransvaginalsagittalimageof17Follicularwallflow妇产科疾病的超声诊断ENGLISHFollicularwallflow妇产科疾病的超声诊断18CommonDiseasesofObstetricsandGynecologyGynecology：Leiomyoma；Carcinoma;；OvarianTumors;Inflammatorymass;etc.Obstetrics：

Naturalpregnancy；Abnormalpregnancy;etc.妇产科疾病的超声诊断ENGLISHCommonDiseasesofObstetrics19TheuterusLeiomyoma/Hysteromyoma妇产科疾病的超声诊断ENGLISHTheuterusLeiomyoma/Hystero20CharacteristicsofLeiomyomasMostcommonpelvictumorSmoothmusclecellcompositionFibrosisoccursafteratrophicofdegenerativechangesDegenerationoccurswhenfibroidsoutstriptheirbloodsupply;calcificationMaybepedunculatedClinical:enlargeduterus,profuseandprolongedbleeding,pain妇产科疾病的超声诊断ENGLISHCharacteristicsofLeiomyomasM21UterineLocationsofleiomyomasSubmucosalErodeintoendomertialcavity–heavybleeding;infertilityIntramuralMayenlargetocausepressureonadjacentorgans;infertilitySubserosalMayenlargetocausepressureonadjacentorgans妇产科疾病的超声诊断ENGLISHUterineLocationsofleiomyoma22SubserousmyomaBroadligamentmyomaCervicalmyomaintramurousmyomaSubmucousmyoma妇产科疾病的超声诊断ENGLISHSubserousBroadligamentCervic23UltrasonicperformanceTwo-dimensional：①IncreaseduterinebodyorFormdisorders；②Sphericalhypoechoicareaintheuterinebody，Rearechoattenuation；③WithcalcificationorCysticchange,etc；④Signsofoppression；ColorDoppler：Tumoraroundwiththebloodflowsignalintheshapeofringorsemi-circularring；Dopplerspectrum：Mediumresistanceindex，RI0.6±0.1。妇产科疾病的超声诊断ENGLISHUltrasonicperformanceTwo-dime24intramurousmyoma妇产科疾病的超声诊断ENGLISHintramurousmyoma妇产科疾病的超声诊断ENG25Subserousmyomaintramurousmyoma妇产科疾病的超声诊断ENGLISHSubserousmyomaintramurousmyo26Subserousmyoma妇产科疾病的超声诊断ENGLISHSubserousmyoma妇产科疾病的超声诊断ENGLI27Cervicalmyoma妇产科疾病的超声诊断ENGLISHCervicalmyoma妇产科疾病的超声诊断ENGLIS28AbundanttumorbloodflowMUT妇产科疾病的超声诊断ENGLISHAbundanttumorbloodflowMUT妇产29RI0.61妇产科疾病的超声诊断ENGLISHRI0.61妇产科疾病的超声诊断ENGLISH30Submucousmyomawithcalcification妇产科疾病的超声诊断ENGLISHSubmucous妇产科疾病的超声诊断ENGLISH31Teratoma

DermoidTummors

（卵巢良性囊性畸胎瘤/皮样囊肿)Pathology：derivesfromgermcell，themostcommonovarianneoplasm,constituting20%ofovariantumors.upto20%arebilateral.About80%occurinwomenofchildbearingage.妇产科疾病的超声诊断ENGLISHTeratoma

DermoidTummors

（卵巢32Sizerangesfromsmallto40cmUnliateral,roundtoovalmassContainsfaty,sebaceousmaterial,hair,cartilage,bone,teethClinical:asymptomatictoabdominalpain,enlargementandpressure;pedunculated,subjecttotorsionSonography:Cystic/complex/solidmass,echogeniccomponents;acousticshadowing妇产科疾病的超声诊断ENGLISHSizerangesfromsmallto40c33SpecialUltrasoundFindings:1.Acysticmass:

withanechogenicmuralnodule2.Apastesign：particulateliptinite3.Afluffofhairsign4.Afat-fluidlevelsign：withfluidlevelinthecyst,fatabove,fluidbelow.5.Acomplexmass妇产科疾病的超声诊断ENGLISHSpecialUltrasoundFindings:1.34cysticteratomaofovaryAcysticmassPastesignFluffofhairsign妇产科疾病的超声诊断ENGLISHcysticteratomaAcysticmassP35PastesignFat-fluidlevelsignAcomplexmass妇产科疾病的超声诊断ENGLISHPastesignFat-fluidlevelsign36A8yearsoldgirl,cuttingoffathreekilogramsbenignteratoma妇产科疾病的超声诊断ENGLISHA8yearsoldgirl,cuttingof37TheroleofUltrasoundinObstetrics妇产科疾病的超声诊断ENGLISHTheroleofUltrasoundinObst38TRIMESTERSFirsttrimester=0to12weeksofgestationSecondtrimester=13to26weeksofgestationThirdtrimester=27to42weeksofgetsationPosttermpregnancy=>42weeksofgestation妇产科疾病的超声诊断ENGLISHTRIMESTERSFirsttrimester39IndicationsforFirst-TrimesterSonographyConfirmpresenceofintrauterinepregnancyEvaluateforsuspectedectopicpregnancyDefinecauseofvaginalbleedingDeterminegestationalageConfirmsuspectedmultiplegestationsAidininvasiveproceduresEvaluatepelvicmassesDetectuterineabnormalities妇产科疾病的超声诊断ENGLISHIndicationsforFirst-Trimeste40Naturalpregnancy妇产科疾病的超声诊断ENGLISHNaturalpregnancy妇产科疾病的超声诊断ENG41Nonagepregnancy

(First-Trimester)Definition：Pregnancybefore12weekend.妇产科疾病的超声诊断ENGLISHNonagepregnancy

(First-Trime425weekspregnant—Gestationalsac；6-7weekspregnant—Germ;7-8Weeks—Primitivehearttubepulse；8-11weeks—Yolksac;9weeks—Embryonic,placenta.TheNormalFirstTrimester妇产科疾病的超声诊断ENGLISH5weekspregnant—TheNormalF43SonographicFeaturesofaNormalGestationalSacShape:roundofovalPosition:fundalormiddleportionofuterus;acenterpositionrelativetoendometriumContour:smoothWall:echogenic;3mmofmoreinthickness妇产科疾病的超声诊断ENGLISHSonographicFeaturesofaNorm44Internallandmarks:yalksacpresentwhengestationalsacislargerthan10mm;embryopresentwhengestationalsacislargerthan18mmGrowth:1mmperday(range:0.7mmto1.5mmperday)妇产科疾病的超声诊断ENGLISHInternallandmarks:yalksacp454-5weekspregnantInthegestationalsacwecanseeaembryopoint,theearliestembryo.妇产科疾病的超声诊断ENGLISH4-5weekspregnant妇产科疾病的超声诊断EN467weekspregnant

Fetuswasabout4mm，wecanseeapparentheartthrob,andsmalllimbbud.妇产科疾病的超声诊断ENGLISH7weekspregnant妇产科疾病的超声诊断ENGL478weekspregnant

Three-dimensionalultrasoundshowitsbeginningoftheshapeofahuman.妇产科疾病的超声诊断ENGLISH8weekspregnant妇产科疾病的超声诊断ENGL48UmbilicalbordEmbryonicheadEmbryonicabdomen妇产科疾病的超声诊断ENGLISHUmbilicalbordEmbryonicheadEm49YolksacEmbronicheadAmnioticsac妇产科疾病的超声诊断ENGLISHYolksacEmbronicheadAmniotic509weekspregnant

Knownasafetal，Developmentofthevariouspartsofthefetus,tendstoimprove.妇产科疾病的超声诊断ENGLISH9weekspregnant妇产科疾病的超声诊断ENGL5112weekspregnantThespineisidentifiable,asthetwobead-likehighecho.Ears,limbs,bonescanbeshownandmeasurement.妇产科疾病的超声诊断ENGLISH12weekspregnant妇产科疾病的超声诊断ENG52UltrasoundoftheSecondandThirdTrimesters妇产科疾病的超声诊断ENGLISHUltrasoundoftheSecondandT53IndicationsforSecond-and

Third-TrimesterEstimategestationalageforpatientswithuncertaindatesEvaluateuterinesizeandclinicaldatediscrepanciesEvaluatefetalgrowthEstimatefetalweightDeterminefetalpresentationEvaluatefetallife妇产科疾病的超声诊断ENGLISHIndicationsforSecond-and

T54provideadjuncttoamniocentesis,percutaneousumbilicalbloodsamplingprocedure,orcerclageplacementEvaluateuterineabnormalityEvaluateabnoumalmaternalserumalpha-fetoproteinvaluesEvaluateabnormalamnioticfluidEvaluateplacentaEtc.妇产科疾病的超声诊断ENGLISHprovideadjuncttoamniocente55TheSecond-and

Third-Trimester

(Metaphaseandterminalprengancy)Mid-pregnancy:13-27weekspregnancy.Late-pregnancy:Morethan28weeksofpregnancy.妇产科疾病的超声诊断ENGLISHTheSecond-and

Third-Trimest56ScanningTechniquesSurveyuterusObservecardiacactivityDeterminepositionandnumberofthefetusandplacentaAssessamnioticfluidLookforuterineofplacentalmassesandfetalanomalies妇产科疾病的超声诊断ENGLISHScanningTechniquesSurveyuter57Checkcontents1、Fetalhead：BPD

biparietaldiameter;2、Fetalabdomen:ACabdomencircumference;3、Fetallimb：FLfemurlength;4、Others：Placenta,Fetalheartrate,Amnioticfluid,etc.妇产科疾病的超声诊断ENGLISHCheckcontents妇产科疾病的超声诊断ENGLIS581、FetalheadMeasuringtheBiparietalDiameter(BPD)Obitainbiparietaldiameterofthefetalheadatthetransverselevelofthemidbrain:falx,cavumseptipellucidi,andthalamicnucleiMakesuretheheadissymmetricandovalMeasurefromoutertoinnermarginsoftheskullInthethirdtrimester,theBPDisnotasaccurateinpredictingfetalage妇产科疾病的超声诊断ENGLISH1、FetalheadMeasuringtheBi59Fetalhead,after12weekendpregnant妇产科疾病的超声诊断ENGLISHFetalhead,after12we60Fetalsideprofile,wecanobserveitsforehead,nose,lip,andchin,etc.妇产科疾病的超声诊断ENGLISHFetalsideprofile,we612、FetalabdomenThehepatobiliarysystem:liver,portvenoussysterm,hepaticveinsandarteries,gallbladder,andbileductsThegastrointestinalsystem:theesophagus,stomach,smallandlargeintestines(colon)妇产科疾病的超声诊断ENGLISH2、FetalabdomenThehepatobilia62Theurinarysystem:kidneys,adrenalglands,ureters,bladder.Thefetalabdomencircumference（AC)

isthemostwidelymeasured妇产科疾病的超声诊断ENGLISHTheurinarysystem:kidneys,63MeasuringtheAbdominalCircumference(AC)TheACshouldbetakenfromaroundtransverseimagewiththeumbilicalportionoftheleftportalveinmidlinewithintheliverTheoutermarginoftheabdominalwallshouldbemeasuredTheabdominalwallmeasurementistheleastaccurate妇产科疾病的超声诊断ENGLISHMeasuringtheAbdominalCircum64Thefetallivergallbladderstomachportvenousspinegallbladderstomach妇产科疾病的超声诊断ENGLISHThefetallivergallbladderstom653、FetallimbsTheupperlimbs:theulnatheradiusthehumerusThelowerlimbs:thefemur/thethighbonethefibulathetibiaThefemuristhemostwidelymeasuredlongbone（FLfemurlength）妇产科疾病的超声诊断ENGLISH3、FetallimbsTheupperlimbs:66FemurmeasurementHyperechoniclinearstructurerepresentstheossifiedportionofthefemoualdiaphysisandcorrespondstofemorallengthmeasurementfromthegreatertrochantertothefemoralcondylesThemormalfemurhasastraightlaeralborderandacurvedmedialborderFemurlengthmaybeusedwiththesameaccuracyasBPDtopredictgestationalageFemurlengthmayindicateskeletaldysplasiasorintrauterinegrowthrestriction妇产科疾病的超声诊断ENGLISHFemurmeasurementHyperechonic67LongsectionoftheupperlimbsTheradiusTheulnaThehumerus

妇产科疾病的超声诊断ENGLISHLongsectionoftheupperlimb68Femur/thighboneFibula/perone

Tibia/shinbone

Longsectionofthe

lowerlimbs

妇产科疾病的超声诊断ENGLISHFemur/thighboneFibula/perone694、Theplacenta（胎盘）Themajorfoleoftheplacentaistopermittheexchangeofoxygenatedmaternalblood(richinoxgenandnutrients)withdeoxygenatedfetalblood.Thethicknessoftheplacentavarieswithgestationalage,withaminimumdiameterof15mminfetusesgreaterthan23weeks.Thesizeoftheplacentararelyexceeds50mminthenormalfetus.妇产科疾病的超声诊断ENGLISH4、Theplacenta（胎盘）Themajorf70Anteriorplacentaat21weeksofgastationTheplacentaUmbilicalbordAmnioticfluidThefetal妇产科疾病的超声诊断ENGLISHAnteriorplacentaat21weeks71posteriorplacentaat29weeksofgestationcalcification妇产科疾病的超声诊断ENGLISHposteriorplacentaat29week72Anteriorplacentaat39weeksofgastation妇产科疾病的超声诊断ENGLISHAnteriorplacentaat39weeks73CalmlittlefaceEatingtoeEatingfingers妇产科疾病的超声诊断ENGLISHCalmlittlefaceEatingtoeEat74CryingPoutting妇产科疾病的超声诊断ENGLISHCryingPoutting妇产科疾病的超声诊断ENGLIS75FetalwithumbilicalcordaroundtheneckFetalwithcleftlip妇产科疾病的超声诊断ENGLISHFetalwithumbilicalcordarou76smailing妇产科疾病的超声诊断ENGLISHsmailing妇产科疾病的超声诊断ENGLISH77Baobao,Beibei100daysold!妇产科疾病的超声诊断ENGLISHBaobao,Beibei100daysold!妇78Baobao,Beibei1year'sbirthday!妇产科疾病的超声诊断ENGLISHBaobao,Beibei1year'sbirth79演讲完毕，谢谢听讲!再见，seeyouagain3rew2022/12/17妇产科疾病的超声诊断ENGLISH演讲完毕，谢谢听讲!再见，seeyouagain3rew80妇产科疾病的超声诊断-ENGLISH2022/12/17妇产科疾病的超声诊断ENGLISH妇产科疾病的超声诊断-ENGLISH2022/12/13妇产81Sangreal--------uterusTHEDAWINCICODE妇产科疾病的超声诊断ENGLISHSangreal--------uterusTHEDAWI82PelvicCavityPosterior:Occupiedbyrectum,colon,andileumAnterior:bladder,ureters,ovaries,fallopiantubes,uterus,andvaginaNORMALANATOMY妇产科疾病的超声诊断ENGLISHPelvicCavityNORMALANATOMY妇83Pre-inspection:Moderatebladderfilling

妇产科疾病的超声诊断ENGLISHPre-inspection:Moderatebladd84UterusHollow,pear-shapedorganDividedintofundus,body,andcervixUsuallyanteflexedandantevertedCoveredwithperitoneumexceptanteriorlybelowtheoswhereperitoneumisreflectedontobladderSupportedbylevatoranimusclesandpelvicfasciaRoundligamentkeepsuterusinposition妇产科疾病的超声诊断ENGLISHUterusHollow,pear-shapedorga85UterinesizePrepubertal:3cmlongby0.5to1.0cmwideMenarcheal:8cmlongby4cmwidePostmenopausal:3.5to5.5cmlongby1to2cmwideNormalsize:2~3(thick)×4~5(width)×7~8cm(length)妇产科疾病的超声诊断ENGLISHUterinesizePrepubertal:3cm86Uterinelongitudinaldiameter

Uterinewidediameter

UterusbeforeandaftertheTrail

妇产科疾病的超声诊断ENGLISHUterinelongitudinaldiameter87length7~8cmbeforeandaftertheTrail

2~3cmwidth4~5cm妇产科疾病的超声诊断ENGLISHlength7~8cmbeforeandaftert88UterinePositionMidlineanteversion:mostcommon;degreeofanteversionisbladderdistentiondependentRightorleft:normalvariantinabsenceofpelvicmassesRetroverted:entireorgandisplacedposteriorlyRetroflexed:bodydisplacedwithrespecttocervix妇产科疾病的超声诊断ENGLISHUterinePositionMidlineanteve89UltrasonographyofnormaluterusUterineserosalayer:Linearhigh-echo;clear,smooth;

Myometrium:Homogeneousmiddle-echo;Endometria:Themiddlelineofhighecho,aroundtheweakecho.Itiswellknownthattheendometriumchangesdynamicallyinresponsetocyclichormonalflux.妇产科疾病的超声诊断ENGLISHUltrasonographyofnormaluter90Uterineserosalayer

Myometrium

Endometria

Normaluterustransabdominalultrasonography妇产科疾病的超声诊断ENGLISHUterineserosalayerMyometriu91Transvaginalsagittalviewoftheuterus.Theroundedfundusisshowntowardtheleftoftheimagewiththeendometrialstriperummingthroughthemiddleoftheuterinecavity.MyometriumEndometriaUterineserosalayer妇产科疾病的超声诊断ENGLISHTransvaginalsagittalviewof92FallopianTube（输卵管）Infundibulum:funnel-shapedlateraltubethatprojectsbeyondthebroadligamenttooverlietheovariesAmpulla:sidestpartofthetubewherefertilizationoccursIsthmus:hardestpart;liesjustlateraltotheuterusLength:12cm;suppliedbyovarionarteriesandveins妇产科疾病的超声诊断ENGLISHFallopianTube（输卵管）Infundibulu93Ovary（卵巢）AlmondshapedAttachedtobackofthebroadligamentbymesovarium;sometimescalledsuspensoryligamentoftheovaryLiesinovarianfossaFossaisboundedbyexternaliliacvessels,ureter,andobturatornerveReceivesbloodfromovarianarteryBlooddrainedbyovarianveinintoinferiorvenacavaonright;onleftbyovarianveinintolertrenalvein妇产科疾病的超声诊断ENGLISHOvary（卵巢）Almondshaped妇产科疾病的94SonographyofthenormalovaryAnovoidhomogeneousechodensity;follicularcystsareoftenpresent.Thebestsonographicmarkerfortheovaryisidentificationofafollicularcyst,whichhastheclassicappearanceofbeingthinwalledandanechoicwiththrough-transmissionposteriorly.妇产科疾病的超声诊断ENGLISHSonographyofthenormalovary95Transabdominalsagittalimageshowstheleftovaryposteriortotheurinarybladder妇产科疾病的超声诊断ENGLISHTransabdominalsagittalimage96Transvaginalsagittalimageoftheovaryovarianfollicle妇产科疾病的超声诊断ENGLISHTransvaginalsagittalimageof97Follicularwallflow妇产科疾病的超声诊断ENGLISHFollicularwallflow妇产科疾病的超声诊断98CommonDiseasesofObstetricsandGynecologyGynecology：Leiomyoma；Carcinoma;；OvarianTumors;Inflammatorymass;etc.Obstetrics：

Naturalpregnancy；Abnormalpregnancy;etc.妇产科疾病的超声诊断ENGLISHCommonDiseasesofObstetrics99TheuterusLeiomyoma/Hysteromyoma妇产科疾病的超声诊断ENGLISHTheuterusLeiomyoma/Hystero100CharacteristicsofLeiomyomasMostcommonpelvictumorSmoothmusclecellcompositionFibrosisoccursafteratrophicofdegenerativechangesDegenerationoccurswhenfibroidsoutstriptheirbloodsupply;calcificationMaybepedunculatedClinical:enlargeduterus,profuseandprolongedbleeding,pain妇产科疾病的超声诊断ENGLISHCharacteristicsofLeiomyomasM101UterineLocationsofleiomyomasSubmucosalErodeintoendomertialcavity–heavybleeding;infertilityIntramuralMayenlargetocausepressureonadjacentorgans;infertilitySubserosalMayenlargetocausepressureonadjacentorgans妇产科疾病的超声诊断ENGLISHUterineLocationsofleiomyoma102SubserousmyomaBroadligamentmyomaCervicalmyomaintramurousmyomaSubmucousmyoma妇产科疾病的超声诊断ENGLISHSubserousBroadligamentCervic103UltrasonicperformanceTwo-dimensional：①IncreaseduterinebodyorFormdisorders；②Sphericalhypoechoicareaintheuterinebody，Rearechoattenuation；③WithcalcificationorCysticchange,etc；④Signsofoppression；ColorDoppler：Tumoraroundwiththebloodflowsignalintheshapeofringorsemi-circularring；Dopplerspectrum：Mediumresistanceindex，RI0.6±0.1。妇产科疾病的超声诊断ENGLISHUltrasonicperformanceTwo-dime104intramurousmyoma妇产科疾病的超声诊断ENGLISHintramurousmyoma妇产科疾病的超声诊断ENG105Subserousmyomaintramurousmyoma妇产科疾病的超声诊断ENGLISHSubserousmyomaintramurousmyo106Subserousmyoma妇产科疾病的超声诊断ENGLISHSubserousmyoma妇产科疾病的超声诊断ENGLI107Cervicalmyoma妇产科疾病的超声诊断ENGLISHCervicalmyoma妇产科疾病的超声诊断ENGLIS108AbundanttumorbloodflowMUT妇产科疾病的超声诊断ENGLISHAbundanttumorbloodflowMUT妇产109RI0.61妇产科疾病的超声诊断ENGLISHRI0.61妇产科疾病的超声诊断ENGLISH110Submucousmyomawithcalcification妇产科疾病的超声诊断ENGLISHSubmucous妇产科疾病的超声诊断ENGLISH111Teratoma

DermoidTummors

（卵巢良性囊性畸胎瘤/皮样囊肿)Pathology：derivesfromgermcell，themostcommonovarianneoplasm,constituting20%ofovariantumors.upto20%arebilateral.About80%occurinwomenofchildbearingage.妇产科疾病的超声诊断ENGLISHTeratoma

DermoidTummors

（卵巢112Sizerangesfromsmallto40cmUnliateral,roundtoovalmassContainsfaty,sebaceousmaterial,hair,cartilage,bone,teethClinical:asymptomatictoabdominalpain,enlargementandpressure;pedunculated,subjecttotorsionSonography:Cystic/complex/solidmass,echogeniccomponents;acousticshadowing妇产科疾病的超声诊断ENGLISHSizerangesfromsmallto40c113SpecialUltrasoundFindings:1.Acysticmass:

withanechogenicmuralnodule2.Apastesign：particulateliptinite3.Afluffofhairsign4.Afat-fluidlevelsign：withfluidlevelinthecyst,fatabove,fluidbelow.5.Acomplexmass妇产科疾病的超声诊断ENGLISHSpecialUltrasoundFindings:1.114cysticteratomaofovaryAcysticmassPastesignFluffofhairsign妇产科疾病的超声诊断ENGLISHcysticteratomaAcysticmassP115PastesignFat-fluidlevelsignAcomplexmass妇产科疾病的超声诊断ENGLISHPastesignFat-fluidlevelsign116A8yearsoldgirl,cuttingoffathreekilogramsbenignteratoma妇产科疾病的超声诊断ENGLISHA8yearsoldgirl,cuttingof117TheroleofUltrasoundinObstetrics妇产科疾病的超声诊断ENGLISHTheroleofUltrasoundinObst118TRIMESTERSFirsttrimester=0to12weeksofgestationSecondtrimester=13to26weeksofgestationThirdtrimester=27to42weeksofgetsationPosttermpregnancy=>42weeksofgestation妇产科疾病的超声诊断ENGLISHTRIMESTERSFirsttrimester119IndicationsforFirst-TrimesterSonographyConfirmpresenceofintrauterinepregnancyEvaluateforsuspectedectopicpregnancyDefinecauseofvaginalbleedingDeterminegestationalageConfirmsuspectedmultiplegestationsAidininvasiveproceduresEvaluatepelvicmassesDetectuterineabnormalities妇产科疾病的超声诊断ENGLISHIndicationsforFirst-Trimeste120Naturalpregnancy妇产科疾病的超声诊断ENGLISHNaturalpregnancy妇产科疾病的超声诊断ENG121Nonagepregnancy

(First-Trimester)Definition：Pregnancybefore12weekend.妇产科疾病的超声诊断ENGLISHNonagepregnancy

(First-Trime1225weekspregnant—Gestationalsac；6-7weekspregnant—Germ;7-8Weeks—Primitivehearttubepulse；8-11weeks—Yolksac;9weeks—Embryonic,placenta.TheNormalFirstTrimester妇产科疾病的超声诊断ENGLISH5weekspregnant—TheNormalF123SonographicFeaturesofaNormalGestationalSacShape:roundofovalPosition:fundalormiddleportionofuterus;acenterpositionrelativetoendometriumContour:smoothWall:echogenic;3mmofmoreinthickness妇产科疾病的超声诊断ENGLISHSonographicFeaturesofaNorm124Internallandmarks:yalksacpresentwhengestationalsacislargerthan10mm;embryopresentwhengestationalsacislargerthan18mmGrowth:1mmperday(range:0.7mmto1.5mmperday)妇产科疾病的超声诊断ENGLISHInternallandmarks:yalksacp1254-5weekspregnantInthegestationalsacwecanseeaembryopoint,theearliestembryo.妇产科疾病的超声诊断ENGLISH4-5weekspregnant妇产科疾病的超声诊断EN1267weekspregnant

Fetuswasabout4mm，wecanseeapparentheartthrob,andsmalllimbbud.妇产科疾病的超声诊断ENGLISH7weekspregnant妇产科疾病的超声诊断ENGL1278weekspregnant

Three-dimensionalultrasoundshowitsbeginningoftheshapeofahuman.妇产科疾病的超声诊断ENGLISH8weekspregnant妇产科疾病的超声诊断ENGL128UmbilicalbordEmbryonicheadEmbryonicabdomen妇产科疾病的超声诊断ENGLISHUmbilicalbordEmbryonicheadEm129YolksacEmbronicheadAmnioticsac妇产科疾病的超声诊断ENGLISHYolksacEmbronicheadAmniotic1309weekspregnant

Knownasafetal，Developmentofthevariouspartsofthefetus,tendstoimprove.妇产科疾病的超声诊断ENGLISH9weekspregnant妇产科疾病的超声诊断ENGL13112weekspregnantThespineisidentifiable,asthetwobead-likehighecho.Ears,limbs,bonescanbeshownandmeasurement.妇产科疾病的超声诊断ENGLISH12weekspregnant妇产科疾病的超声诊断ENG132UltrasoundoftheSecondandThirdTrimesters妇产科疾病的超声诊断ENGLISHUltrasoundoftheSecondandT133IndicationsforSecond-and

Third-TrimesterEstimategestationalageforpatientswithuncertaindatesEvaluateuterinesizeandclinicaldatediscrepanciesEvaluatefetalgrowthEstimatefetalweightDeterminefetalpresentationEvaluatefetallife妇产科疾病的超声诊断ENGLISHIndicationsforSecond-and

T134provideadjuncttoamniocentesis,percutaneousumbilicalbloodsamplingprocedure,orcerclageplacementEvaluateuterineabnormalityEvaluateabnoumalmaternalserumalpha-fetoproteinvaluesEvaluateabnormalamnioticfluidEvaluateplacentaEtc.妇产科疾病的超声诊断ENGLISHprovideadjuncttoamniocente135TheSecond-and

Third-Trimester

(Metaphaseandterminalprengancy)Mid-pregnancy:13-27weekspregnancy.Late-pregnancy:Morethan28weeksofpregnancy.妇产科疾病的超声诊断ENGLISHTheSecond-and

Third-Trimest136ScanningTechniquesSurveyuterusObservecardiacactivityDeterminepositionandnumberofthefetusandplacentaAssessamnioticfluidLookforuterineofplacentalmassesandfetalanomalies妇产科疾病的超声诊断ENGLISHScanningTechniquesSurveyuter137Checkcontents1、Fetalhead：BPD

biparietaldiameter;2、Fetalabdomen:ACabdomencircumference;3、Fetallimb：FLfemurlength;4、Others：Placenta,Fetalheartrate,Amnioticfluid,etc.妇产科疾病的超声诊断ENGLISHCheckcontents妇产科疾病的超声诊断ENGLIS1381、FetalheadMeasuringtheBiparietalDiameter(BPD)Obitainbiparietaldiameterofthefetalheadatthetransverselevelofthemidbrain:falx,cavumseptipellucidi,andthal