剖宫产后子宫瘢痕憩室的MRI量化参数 与经期延长关系的探讨

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Explorationofcorrelationbetween MRIquantitativeparametersofcesareanscar diverticulumand menstrual extension HUANG Yanwen'，ZHANG Xin2 ，WANG Hui′ ，KANGYingjie'，CHENG Jianmingl，TANWenli'，GONGZhigang'，ZHAN Songhua' 'DepartmentofRadiologyhuguangHospitalAfliatedtoShanghaiUniversityofTraditionalChineseedicine，hanghi 200021，China;epructiedicienterendspitalfatedtaldicalUesitygi [Abstract]Objective：ToevaluatethecorrelationbetweenMRIquantiativeparametersofcesareanscardiverticulum（CSD） andmenstrualextension.Methods：NinetypatientswithCSDwereenroled.ClinicaldataandMRIimagesofthesepatients werecolectedandanalyzedretrospectively.Thesepatientsweredividedintothenormal-menstruationgroup（lessthan7days， 36cases）and theprolonged-menstruationgroup（morethan7days，54cases）.Theuterineposition （anteversionorretroposition） andtheshapeofCSD（triangle，papilaryorothershapes）wereobservedandrecorded.Theparameters includingthemaximum depth，length，volumeofCSDandresidualmyometrialthickness（RMT）weremeasured.TheratioofRMTtothethickness of theadjacentnormalmyometriumwascalculated.Results：Among the9Ocases，42caseshadanteversionand48caseshad retroposition，3O cases with triangular CSD，40 cases with papillary CSD，and 2O cases with other shapes.No significant difference was found in uterine position or the CSD shape between the two groups（both P>0.05 ）.The maximum depth， length，volume of CSD in the prolonged-menstruation group were （5.38±2.11）mm ， （8.87±3.33）mm ， （361.92±342.41）mm3 ， while those in the normal-menstruation group were （4.19±1.30）mm ， （7.02±2.16）mm ， （236.27±176.97）mm3 ，respectively，with significant differences between the two groups （all P<0.05 ）.The RMT，predicted value of the original myometrium，or ratio of RMTtothethicknessof theadjacentnormal myometriumhadnosignificant diferencesbetweenthetwogroups（all P> 0.05）.Conclusion：Thedepth，length andvolume of CSD are significantlyassociated with the menstrual extension. [Key words] Caesarean scar diverticulum;Prolonged menstruation; Magnetic resonance imaging

WHO推荐剖宫产率应控制在 10% 左右，但近年来剖宫产率在全球范围内呈显著上升趋势，已达21.7%[1] 。（剩余5945字）