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ID:61961630
大小:7.30 MB
页数:28页
时间:2021-04-03
《苗勒氏管畸形的影像学诊断-北京协和医院.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ImagingofMullerianDuctAnomalies北京协和医院放射科陆菁菁M.D.MDA介绍FusionoftheMullerianducts:the6thtothe11thweeksofgestationTheuterus,fallopiantubes,cervix,andproximaltwo-thirdsofthevaginaNotassociatedwithanomaliesoftheexternalgenitaliaorovariandevelopment15%womenwhoexperiencerecurrentmi
2、scarriagesCommonlyassociatedwithrenalagenesis(30%-50%)Otherassociatedcongenitalanomalies:vertebralbodies,spinabifida,cardiac,etal女性生殖管道的发生中肾管→退化中肾旁管→输卵管子宫管→子宫,阴道上部窦结节→阴道板→空腔化→阴道下部DuctaldevelopmentDuctalfusionSeptalreabsorptionPrevalenceofMDA5.5%ingeneralpopulation13-25%amo
3、ngwomenwithrecurrentpregnancylossGeneralpopulation:arcuateuterus,3.9%Bicornuateuterus,0.4%Womenwithinfertilityormiscarriage:Septateuterus,15.4%ImagingOverviewHSG:uterinecavityUS,MRI:GreateranatomicdetailExternaluterinecontourConcomitantrenalanomaliesHSG难以区分子宫纵隔vs双角子宫Whatis
4、this?磁共振在女性盆腔应用的优势无放射性损伤优于超声:软组织分辨力高优于超声:扫描范围广优于超声:磁共振成像图像直观,便于手术大夫理解和参考超声:对单角子宫及始基子宫诊断有限度MRIsequencesAxialT1-andT2-weightedimagesObliquecoronalT2-weightedimagesoftheuterus3DT2-weightedSagittal,T2-weighted脂肪抑制T2加权横断面图像T2加权正中矢状面像(尤其适合子宫走向、宫颈及阴道的观察)T1加权横断面像ClassificationAgen
5、esisorHypoplasiaUnicornuateUterusUnicornuateUterus双子宫(UterusDidelphys)UterusDidelphysRepresentativelinediagramdepictingrightrenalagenesis,uterinedidelphys,andvaginalseptumHerlyn-Werner-Wunderlich(HWW)syndromeBicornuateUterusSeptateUterusArcuateuterusDESUterus复杂畸形完全型纵隔子宫合并双
6、宫颈管(罕见)Thanks
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