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Endometrial Decidualization and Deciduosis in Aged Rhesus Macaques (Macaca mulatta)

机译:猕猴(猕猴)的子宫内膜蜕膜化和蜕膜形成。

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Superficialdecidualizationoftheendometrialstromaisanessentialfeatureoftheimplantationstageofpregnancyinrhesusmacaquesandotherprimates.Decidualizationinvolvesproliferationoftheendometrialstromalcells,withdifferentiationintomorphologicallydistinctdecidualcells.Previousreportsinvolvingnonpregnantrhesusmonkeyshavedescribedlocal-izedandwidespreadendometrialdecidualizationinresponsetoadministrationofprogesteroneandsyntheticprogestogens.Ectopicdeciduaor'deciduosis'describestheconditioninwhichgroupsofdecidualcellsarelocatedoutsideoftheendometrium,mostoftenintheovaries,uterusandcervixbutalsoinvariousotherorgans.Inhumans,mostcasesofdeciduosisareassociatedwithnormalpregnancy,andectopicdeciduacanbefoundintheovaryinnearlyalltermpregnancies.Herewedescribepronouncedendometrialdecidualizationin2rhesusmacaques.Bothmacaqueshadbeentreatedlong-termwithmedroxyprogesteroneacetateforpresumedendometriosis,whichwasconfirmedinoneofthemacaquesatpostmortemexamination.Inoneanimal,floridextrauterineandperitonealserosaldecidualizationwasadmixedmultifocallywithcarcinomatosisfromaprimarycolonicadenocarcinoma.CellsconstitutingendometrialandserosaldecidualizationreactionswereimmunopositiveforthestromalmarkersCD10,collagenIV,smoothmuscleactin,andvimentinandimmunonegativeforcytokeratin.Incontrast,carcinomatousfociwerecytokeratin-positive.Toourknowledge,thisreportdescribesthefirstcasesofserosalperitonealdecidualizationinrhesusmacaques.Theconcurrentpresentationofserosalperitonealdecidualizationwithcarcinomatosisisunique.
机译:Superficialdecidualizationoftheendometrialstromaisanessentialfeatureoftheimplantationstageofpregnancyinrhesusmacaquesandotherprimates.Decidualizationinvolvesproliferationoftheendometrialstromalcells,withdifferentiationintomorphologicallydistinctdecidualcells.Previousreportsinvolvingnonpregnantrhesusmonkeyshavedescribedlocal-izedandwidespreadendometrialdecidualizationinresponsetoadministrationofprogesteroneandsyntheticprogestogens.Ectopicdeciduaor'deciduosis'describestheconditioninwhichgroupsofdecidualcellsarelocatedoutsideoftheendometrium,mostoftenintheovaries,uterusandcervixbutalsoinvariousotherorgans.Inhumans,mostcasesofdeciduosisareassociatedwithnormalpregnancy,andectopicdeciduacanbefoundintheovaryinnearlyalltermpregnancies.Herewedescribepronouncedendometrialdecidualizationin2rhesusmacaques.Bothmacaqueshadbeentreatedlong-termwithmedroxyprogesteroneacetateforpresumedendometriosis,whichwasconfirmedinoneofthemacaquesatpostmortemexamination.Inoneanimal,floridextrauterineandperitonealser osaldecidualizationwasadmixedmultifocallywithcarcinomatosisfromaprimarycolonicadenocarcinoma.CellsconstitutingendometrialandserosaldecidualizationreactionswereimmunopositiveforthestromalmarkersCD10,collagenIV,smoothmuscleactin,andvimentinandimmunonegativeforcytokeratin.Incontrast,carcinomatousfociwerecytokeratin-positive.Toourknowledge,thisreportdescribesthefirstcasesofserosalperitonealdecidualizationinrhesusmacaques.Theconcurrentpresentationofserosalperitonealdecidualizationwithcarcinomatosisisunique。

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