Cite this page · A complete mole occurs when an empty ovum is fertilized by a sperm · About 80% of complete hydatidiform moles are 46XX, which ...AuthorsBlogBoardReviewCommentContactUsNewslettersStatisticsTestimonialsClickHeretoseeourTop25Authorsandallauthorsin2020.JobsFellowshipsConferences/WebinarsBooksOnlineCMECasesAdvertiseIndustryNewsLibrariesRocheCompanionDiagnosticLibraryRocheNTRKIHCDiagnosticLibraryCOVID-19LibraryPandemicreliefmusicawardHome>Placenta>CompletehydatidiformmolePlacentaGestationaltrophoblasticdiseaseMolarpregnanciesCompletehydatidiformmoleAuthors: RachelleMendoza,M.D.,SonaliLanjewar,M.B.B.S.,RaaviGupta,M.D.EditorialBoardMember: RicardoR.Lastra,M.D.DeputyEditor-in-Chief: JenniferA.Bennett,M.D.TopicCompleted:22February2021Minorchanges:22February2021Copyright:2002-2021,PathologyOutlines.com,Inc.PubMedsearch:Completehydatidiformmole[title]placentaPageviewsin2020:35,455Pageviewsin2021todate:10,894TableofContentsDefinition/general|Essentialfeatures|Terminology|ICDcoding|Epidemiology|Sites|Pathophysiology|Etiology|Diagrams/tables|Clinicalfeatures|Diagnosis|Laboratory|Radiologydescription|Radiologyimages|Prognosticfactors|Casereports|Treatment|Grossdescription|Grossimages|Microscopic(histologic)description|Microscopic(histologic)images|Positivestains|Negativestains|Molecular/cytogeneticsdescription|Molecular/cytogeneticsimages|Videos|Samplepathologyreport|Differentialdiagnosis|Additionalreferences|Boardreviewstylequestion#1|Boardreviewstyleanswer#1|Boardreviewstylequestion#2|Boardreviewstyleanswer#2Citethispage:MendozaR,LanjewarS,GuptaR.Completehydatidiformmole.PathologyOutlines.comwebsite.https://www.pathologyoutlines.com/topic/placentacompletemole.html.AccessedMarch27th,2021.Definition/generalCompletehydatidiformmoleisagestationaltrophoblasticdiseasecharacterizedbydiffusehydropicenlargementandtrophoblasticproliferationofthechorionicvilliEssentialfeaturesProliferativedisorderoftheplacenta,resultinginvilloushydropsandtrophoblastichyperplasiawithoutembry