Lim-Adnexal Mass FC2016 - ACOOG• Be able to differentiate adnexal masses ... to determine best...
Transcript of Lim-Adnexal Mass FC2016 - ACOOG• Be able to differentiate adnexal masses ... to determine best...
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AdnexalMass
EavKLim,DOFACOOG
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PresenterDisclosure
• IhavenoConflictofInteresttodisclose
• IhavehasnoFinancialorScientificdisclosures
• IhavehasnoOff-Labeldisclosures.
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LearningObjectives
• Beabletodifferentiateadnexalmasses• Determinewhicharebenignandwhicharemalignant• Understandwhichtestingmodalitytouse• Beabletodeterminebesttreatmentapproach
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• Uterineadnexaconsistofovaries,fallopiantubes,anditssurroundingvascular,lymphaticandconnectivetissues• Estimatedthatbetween5-10%ofwomenintheirlifetimewillundergosurgeryforpotentialovarianneoplasm• Prevalenceofadnexallesionsinclinicallyasymptomaticwomenhasbeenapproximately2.5%to8%
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ClinicalApproach
• Determinetheetiologyoftheadnexalmass• Mustmakesurethattheconditionisnotemergentorpoisestocauseserioushealthissues• Decisionshouldbeguidedby• Ageofpatient• Reproductivestatus• Locationofmass
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AnatomicLocation
• Ovary• Physiologiccyst• Benignovarianneoplasm• Ovariancancerormetastatic
• Fallopiantube• Tuboovarianabscess• Ectopicpregnancy• Hydrosalpinx• Fallopiantubecancer
• Connective&surroundingtissues• Paratubalorparaovariancyst• Broadligamentleiomyoma
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DifferentialDiagnosis
• Gynecologic• Non-Gynecologic
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DifferentialDiagnosis
• Gynecologic• Benign
• Functionalcyst,endometrioma,maturecysticteratoma,thecaluteincyst,luteomaofpregnancy,corpuslutealcyst,hydrosalpinx,ectopic,leiomyoma,tubo-ovarianabscess,paratubalcyst
• Malignant• Epithelialovariancancer,borderlinetumors,germcelltumor,sex-stromaltumor,metastatic
• MostcommonmetastaticdiseasewouldbefrombreastorGI
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DifferentialDiagnosis
• Non-Gynecologic• Benign
• Appendicealabscess,diverticularabscess,bladder/ureteraldiverticulum,pelvickidney,peritonealcyst,ovarianremnant
• Malignant• Appendicealtumor,boweltumor,metastatic(breast,lung,lymphoma),retroperitonealsarcoma
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AgeGroupStratification
• Fetuses• Children• Adolescents• Premenopausal• menopausal
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AgeGroupStratification
• Fetuses• Increaseinfrequencywithgestationalage• Increaseinpatientswithunderlyingdiabetesmellitus,preeclampsia,rhesusisoimmunization
• Newborn• Mostlikelyphysiologicalthatisduetocirculatingmaternalhormonesinutero
• Differentials• Genitourinary:reproductivetractanomalies,urinarytractobstruction,urachalcyst
• Gastrointestinal:mesenteric/omentalcyst,volvulus,colonicatresia,intestinalduplication,
• Others:Choledochal,splenic,orpancreaticcyst,lymphangioma
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AgeGroupStratification
• Children• Physiologiccystareuncommonduetodecreaseingonadotropinovarianstimulatinghormones
• Ifpresent,mostsimplecystsareduetoenlargingcysticfollicle
• Adolescent• Developscomplexandsimplecyst• Mostsimplecystsareduetofailureofmaturingfollicletoovulateandinvolute
• Ovarianneoplasms(benign&malignant)accountsfor1%ofalltumorsinchildrenandadolescent
• Lessthan5%ofovariancanceroccursinthisagegroup
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AgeGroupStratification
• Inwomen<25yearsold,ovarianmalignancywouldbethemostcommongynecologicmalignancy• Germcelltumorswouldbethemostcommon,comprisingofapproximatelyone-halftotwo-thirdsofovarianneoplasmupto18yearsoldascomparedtoadultwomenwhichwouldbeapproximatelyone-fifth• Ingirls<9yearsold,approximately80%ofovarianneoplasmsaremalignant• Epithelialovariancancersarerareintheprepubertalagegroup
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AgeGroupStratification
• Premenopausalwomen• Adnexalmassesarestimulatedbyhormonesspecificinthisagegroup• Ovarianortubalmalignanciesareuncommon,however,germcelltumorswouldbethemostcommonwithpeakagebetween10and30
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Premenopausal
• Functional/corpuslutealcyst• Arisewhenrupturedoesnotoccurandthefolliclecontinuestogrow• Canbecomehemorrhagic• Typicallyresolvesonitsown• Cancausecomplicationsassociatedwithtorsion,hemorrhage,orpain
• Polycysticovaries• Enlargedovarieswithmultiplesmallfollicularcysts• Rotterdamncriteria
• Thecaluteincysts• LuteinizedfolliclecystsasaresultofhyperstimulationfromelevatedhCGorincreasesensitivity
• Bilateral,multiseptatedinwomenwithGTD,multiplegestation,ovarianhyperstimulationorpregnancycomplicatedbyfetalhydrops
• Mostareasymptomatic,butcancausematernalvirilization,hyperemesisgravidarum,preeclampsia,orthyroiddysfunction
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Premenopausal
• EctopicPregnancy• Seenasanadnexalmassonultrasound
• CorpusLuteumofpregnancy• Associatedwithearlyintrauterinepregnancy
• Luteoma• Non-neoplasticovarianmassassociatedwithpregnancy• Solidcomponent• Resolvesspontaneouslyafterdelivery• Shouldbesuspectedinthepresenceofsolidadnexalmass,maternalhirsutismorvirilization
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Premenopausal
• Stimulatedbyreproductivehormones• Endometrioma
• Relatedwithendometriosis• FirstdescribedbyKarlFreiherrVonRokitansky1860• Originaltheories:Meyer,Novak,Halban,Sampson• Histopathologywithendometrialglandsandstromaalongwithhemosiderinmacrophages
• Ultrasound:“groundglass”internalechos• Leiomyoma
• Benignneoplasmofsmoothmuscleorigin• Usuallyarisesfromuterus• Canarisefrombroadligament
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Premenopausal
• Infectious/Inflammatory• Tubo-ovarianabscess
• Resultsfromuppergenitaltractinfection• Fever• Abdomino-pelvicpain• Purulentcervicaldischarge• Palpablemass• Cervicalmotiontenderness
• Hydrosalpinx/pyosalpinx• UntreatedorundertreatedofPIDresultinginscarring• Collectionoftubalsecretionorpus• Contributetoinfertility
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Premenopausal
• Benignneoplasm• Serousormucinouscystandeoma
• Mostcommonbenignovarianneoplasm• Thin-walled• Uniormultilocular• Rangesfrom5to20cm
• Mucinous• Lesscommon• Multiloculated• Largesize• 5%bilateral• Collectsmucinintheircytoplasm• ResemblesendocervicalorGIepithelium
• Serous• Morecommon• 20to25%bilateral• Similartofallopiantubelining
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Premenopausal
• Benignneoplasm• Maturecysticteratoma
• Commonin2nd to3rd decadeoflife• Celllayersfromectoderm,endoderm,mesoderm• US:complexmass,hyperechoiccontents,fluid,areasofacousticshadowing
• Bilateralin10to15%ofpatients• Endosalpingiosis
• Non-neoplasticectopiccysticglandsoutsideofthefallopiantubethatarelinedwithfallopiantypeciliatedepithelium
• Paraovarian/paratubalcyst• Originatefromremnantsofparamesonephricormesonephricducts• Hydatidcystofmorgagniaremostcommon• Nodatatosuggestthesecystaremalignantoritsprevalence• Keytodiagnosisisnotedasimplecystlocatednexttotheovaryonultrasound
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Premenopausal
• Malignantadnexalmass• Incidencerangesfrom6to11%• Mostlyderivedfromepithelialcells,butcanarisefromgermcell,sex-stromalandmixed• Canbenon-gynecologicmetastaticcancer
• Krukenbergtumor
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Menopausal
• Mostadnexalcystarebenign• However,upto30%canbemalignantinpatientsovertheageof50• MalignancycanbegynecologicoriginsuchasendometriumormetastaticfrombreastorGI
• Canhavesimilaretiologiesofadnexalcystforpremenopausalwomen• Simplecystsarecommonandarefrompersistentphysiologic/functionalcyst• Characteristicforbenignversusmalignantissimilartothoseofpremenopausal,howeveronemusthavealowerthresholdforsuspicion
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Menopausal
• Neoplasms• IncludesEpithelial(75%),Sex-stromal(15%),andGermcell(10%)• Epithelialcarcinomaismostcommonhistologicaltypeinthisagegroupandencompassesapproximately90%ofovarian,peritoneal,andtubalcarcinoma• Ithasbeenproposedthatoriginofhighgradeseroustumorsmayoriginatefromfallopiantubeprecursors• Averageageisapproximately60yearsold• IncludevagueGIsymptoms:dyspepsia,earlysatiety,anorexia,constipation,andbloating
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Menopausal
• Epithelial• Highgradeserouscarcinoma(70-80%)• Endometrioid(10%)• Clearcell(10%)• Mucinous(3%)• Lowgradeserouscarcinoma(5%)
• Sex-stromal:oftenproducesestrogen/androgen• Granulosacell• Fibroma• Thecoma• Sertoli-Leydig
• Germcell• Dysgerminoma• Endodermalsinustumor• Immatureteratoma• Gonadoblastoma• Choriocarcinoma• Seminoma• Embryonalcarcinoma
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Potentialcomplicationswithadnexalmasses?
• Regardlessofagegroup,canalwaysbemalignant• Mightbesignsofmetastaticdisease• Mustruleoutectopicpregnancyasitcanaffectfertilityandbelife-threatening• Canrupture• Causestorsionwhichcanresultindiminishingbloodsupplytotheovary• Hemorrhagiccystcancausebleeding
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Questiontoask?
• DoIneedtoremoveit?• AmIdealingwithpotentialcancer?• Isthepatientstable?• Arethereconservativealternatives?• WhattestsdoIhavetoorderthatwillassistmeinmakingmydecision?• DoIneedareferral?
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• Needdiagnostictestswhichhashighersensitivityandspecificitythatwillenableustomakebetterdecisions• Whatwillguidemostofus?
• History• Physical• Imaging• Laboratorytests
• Mostcommonimagingagynecologistwilluseisanultrasound• Mostcommonlaboratorytestordertodifferentiatevarietyofbenignconditionsversusmalignantonesaretumormarkers
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Ultrasound
• Goalofanultrasoundisnottodetermine100%whetherornotamassisbenignormalignant• Thepurposeoftheultrasoundistoguideourdecisionmaking• Fortunately,ultrasoundisahighlyeffective,cheap,andsafetooltouse• adsfs
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Ultrasound
• Sonogramtechniques• Grayscale
• Basedonsignalintensityanddepthmeasureditlengthoftimeitrequireforwavetobereflectedback
• Doppler• Changeinfrequencythatresultsfromsoundwavebeingreflectedoffmoving
objects,i.e.bloodvessel• Combinedgrayscale&doppler
• Preferedmethod• 3-Dtechniques
• Doesnotimprovedetectionbetweenbenignandmalignantprocess• Mayassistwithdetectionofhydrosalpinx
• Spectraldoppler• Toobroadofoverlapinresistiveindexandpulsatilityindexbetweenbenignand
malignantmasses• Velocityanddiastolicnotchmeasurementsdoesnotappeartoimprovereliability
• Consulsion:staysimple,gowithgrayscaleandcolordoppler
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Ultrasound
• Stepsincharacterizingamass• Isitasimplecyst?
• Anechoicfluidfilledcavity• Thinwalls• Noimpairedsoundwave
• Arethereotherphysiologicalprocessthatcanbeacauseifthecystdoesnotappearsimple?• Corpusluteum
• Thickenedwall• Circumferentialcolordopplerflow• Smallcentrallucencythatcouldbeconfusing
• Multiplesimplecyst• Misdiagnosedashavingseptation
• Hemorrhagiccyst• Canhaveseptationandmuralnodules• Usuallyhavethinlinearechos(fishnetorreticularpattern)• Linearechosdonotextendcompletelyuninterrupted
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UltrasoundAretherecharacteristicsthatarespecifictoother“entities”?
• Endometrioma• Homogeneouslowtomediumechos• Canhavesolidcomponentsandbeeitherunilocularormultilocular• Canhavedopplerflowespeciallyiffociofendometrialtissue• Havesimilarfindingsofhemorrhagiccyst
• Matureteratoma• Markedlyhyperechoicnodulewithinthemass• Containfluid,Calcificationwithusuallynocolorflow
• Pedunculatedleiomyoma• Heterogeneous,hypoechoic,solidmasses
• Hydrosalpinx• Tubularstructurewithseptationornodulesinthewall
• Peritonealinclusioncyst• Canhaveseptatedfeaturesaroundtheovaryinwomenwithadhesions• Adhesionscanbeseenasbandsoftissuewithsurroundingfluid
• Malignancy• Solidcomponent,nothyperechoic,hasnodularityorpapillary• Septationsthickerthan2-3mm• Colordopplerflowinthesolidcomponent• Presencesofascites• Peritonealmasses,enlargednodesormattedbowels• Sizeofthemassdoesnotclearlydefinemalignancy
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Ultrasound
• InternationalOvarianTumorAnalysis(IOTA)• Largestdiagnosticaccuracystudy• Ultrasoundperformancedetermineonthelevelof“riskofmalignancy”• 4848patientsfromoncologyandnon-oncologycenters• Diagnosticcriteriabasedon“Simplerules”• 23%hadlowrisk(<1%)
• Sensitivity99.7%,specificity33.7%,• PPV44.8%,NPV98.9%
• 48%hadhighrisk(>30%)• Sensitivity89%,specificity84.7%• PPV75.4%,NPV93.9%
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Ultrasound
• FromIOTAstudy• Simplerules
• Benignfeatures• Unilocularcystofanysize• Solidcomponentseithernotpresentor<7mm• Presenceofacousticshadowing• Smoothmultilocularcyst<10cm• Nobloodflow
• Malignantfeatures• Irregularsolidtumor• Ascites• Atleastfourpapillarystructures• Irregularsolid-multiloculartumor,largest>10cm• Verystrongcolordopplerflow
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Ultrasound
• Ifstillinconclusive,whatotheroptionsareavailable?• Repeatultrasound
• Onlyifthereissuspicionthatprocesscouldbephysiologicalprocess• Trytoobtainultrasoundinfollicularphase,aroundday7-12toreduceriskofhemorrhagiccystinthenextcycle
• Difficultiesduetoirregularcycle• MRI
• Canbegoodmodalityifsurgicaltreatmentistobeconsidered• Irrelevantfordeterminingbenignversusmalignantadnexalmassifsurgicalinterventionwouldbecarriedoutbyagynecologicsurgeonexperienceindealingwithmalignancy
• Relyonlaboratoryresults• Referraltogynecologyoncologist
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SerumMarkers
• Biomarker:acharacteristicthatisobjectivelymeasuredandevaluatedasanindicatorofnormalprocesses,pathologicalprocesses,orresponsetointervention
• Tumormarker:specificbiomarkerformalignancy• Whendealingwithadnexalmassesandconcernformalignancies,Epithelialovariancancer(EOC)isthemostcommonandmostconcerning
• Therearenomarkersdevelopedforthepurposeofevaluatingbenignprocesses,thoughcertainbenignprocessescancauseelevationintumormarkersmorespecificformalignancies
• Therearenumerousmarkersfordifferenttypesofadnexalmalignancies,mostcommon,ovarian.
• CA125,CA19-9,CEA,Inhibin,AFP,betaHCG,LDH,etc.
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SerumMarkers
• Evaluatemostcommonlyusedmarker:CA125• Firstdescribedin1983• Largetransmembraneglycoproteinderivedfrombothcoelomicandmullerianepithelia• Coelomic:pericardium,pleura,peritoneum• Mullerian:Fallopiantube,endometrium,endocervical
• ApprovedbyFDAtomonitorresponsetotherapyinwomenwithknownEOC• Twotypes:CA125andCA125II,differentcutoffvalues• Nocurrentdataavailabletosupportsuperiorityofoneversustheother• CA125canbeelevatedinothernon-malignantconditions• Notoverlyusefulinpremenopausalpatientsunless“significantly”elevated• Usually,acut-offof200u/mlforpremenopausalpatientsisused• CA125andCA125IIcut-offformenopausal:35u/mland20u/ml
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SerumMarkers
• Humanepididymisprotein4• Antigenderivedfromhumanepididymisprotein,aproductoftheWFDC2genethatisoverexpressedinpatientswithserousorendometrioidovariancarcinoma
• FDAapprovedin2008formonitoringrecurrentorprogressivediseaseinpatientswithEOC
• HE4<150pM• UsedinconjunctionwithROMA
• Carcinoembryonicantigen• Proteinfoundinembryonicorfetaltissue(disappearafterbirth)• MucinouscancerofGItractorovary• Canbeelevatedinbreast,pancreatic,thyroid,lungcancers• Benignconditionsinclude:cigarettesmoking,mucinouscystadenomaofovaryorappendix,cholecystitis,livercirrhosis,diverticulitis,IBD,pancreatitis,pulmonaryinfections
• Canbeusedtomonitorpatientswithpseudomyxomaperitonei
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SerumMarkers
• CA19-9• Mucinproteinmarker• Elevatedinmucinousovariantumors• Monitorresponsetotherapyorrecurrenceinpatientswithgastric,pancreatic,
gallbladdercancer,cholangiocarcinoma,andadenocarcinomaoftheampullaofVater
• OVA1(Questdiagnostics)• Includes5serummarkers• FDAapprovedin2009toassesslikelihoodofmalignancyinpatientundergoingsurgery
foranadnexalmass• CA125II,Beta2macroglobulin,transferrin,transthyretin,apolipoproteinA1• Premenopausal
• Lowprobabilityofmalignancy:<5• Highprobabilityofmalignancy:>5
• Postmenopausal• Lowprobabilityofmalignancy:<4.4• Highprobabilityofmalignancy:>4.4
• Triglyceridelevelsexceeding4.5g/Lorrheumatoidfactor>250IU/mlmayinterfere
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• Riskofmalignancyalgorithm(ROMA)• FDAapprovedin2011toassesswomenforplannedsurgerytodetectriskofmalignancy• UsesCA125andHE4throughanalgorithmdependingonmenopausalstatus• Premenopausal:highrisk>13.1%• Postmenopausal:highrisk>27.7%• Availableinternationallyonwebsitesandsmartphoneapplications
• Riskofmalignancyindex(RMII-IV)• Originallydevelopedin1990• UseprimarilyinUK• CombinesCA125,pelvicultrasound(U),andmenopausalstatus(M)• RMII=UxMxCA125,ifscoreis>200,shouldrefertospecialist• Ultrasound:multi-locular,solidareas,metastasis,ascites,bilateralmasses• Size<7cmor>7cm
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• ADNEXmodel• Designedforuseinwomenwithadnexalmassplanningforsurgery• Firstreportedin2014• Predictnotonlyaboutmalignancyversusbenign,butalsoborderline,stageI-IV,andsecondarymetastaticadnexaltumors
• HasnotbeenvalidatedoutsideofEuropeanresearchcollaborativegroup• Computerizedmodelthatcombinesdifferentcharacteristic
• Age• CA125• Typeofcenter• Ultrasoundfeatures:maximumdiameteroflesion,proportionofsolidtissue,>10
cystlocules,numberofpapillaryprojections,acousticshadows,ascites
• www.iotagroup.org/adnexmodel/
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• Diagnosticperformance• CA125
• Alonehaslowsensitivityandspecificity,especiallyforearlystageovariancancerwithsensitivityof25%andspecificityof61%
• Meta-analysisof77studieswithvalue>35U/mLhadasensitivityandspecificityof78%,lowvaluessecondarytoothertypesofovarianmalignancythatdoesnothaveelevatedCA125,i.e.mucinous,clearcell,mixmullerianovariantumors
• Premenopausal:Sensitivity50-74%,specificity69-78%,duetobenigncausesofCA125elevation
• Postmenopausal:Sensitivity69-87%,specificity81-93%• OVA1
• Prospectiveserieswith524women,comparedOVA1withCA125IIandclinicalassessment• OVA1sensitivity93%andspecificity43%,CA125sensitivity69%andspecificity84%,
clinicalassessmentsensitivity75%andspecificity79%• Withmenopausalstatus:HighersensitivitywithOVA1100%versusCA12592%• HighersensitivityinOVA1versusCA125inStageIandIIprimaryovariancancer
• ImproveddiagnostictoolcomparedtoCA125alone
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• DiagnosticPerformance• ROMA
• Prospectivemulti-institutionalstudyof531patients• Highriskpatient(Incidenceofmalignancy24%)• Postmenopausal:Sensitivity92%• Premenopausal:Sensitivity76%
• Prospectivemulti-institutionalstudyof472patients• Lowriskpatients(Incidenceofmalignancy10%)• Postmenopausal:Sensitivity92%andspecificity76%• Premenopausal:sensitivity100%andspecificity74%
• ROMAversusHE4versusCA125• ROMAwasmostsensitive(86%:80%:84%)• HE4wasmostspecific(84%:94%:78%)• Resultshoweverarenotstatisticallysignificant
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• Diagnosticperformance• RMI
• SimilarsensitivityandspecificityamongRMIIthroughIV• Advantagesoverserumbiomarkersisthatitcombinesmostimportantclinicalelementsinpredictingmalignancy
• DisadvantageisthattheriskcalculatorusesabsoluteCA125levelinsteadofascoringsystem.PatientswithearlystagecancercanoftenhavelowCA125andbemisleading
• ADNEXmodel• Novalidationstudyavailableatthistime
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• Conclusion:• Notalladnexalmassesaremalignant• Tumormarkersandultrasoundsaretoguideusindifferentiatingbetweenbenignandmalignantwithacertainlevelofconfidence• CA125isNOTusedasacancerscreening• OVA1&ROMAareadditionaltoolswhichareavailabletoaideindecidingbenignversusmalignant.Theyshouldbeusedinpatientsthatarealreadyundergoingplannedsurgery• Whenindoubt,askacolleague
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ThankYou!