粘连型胎盘植入的MRI与超声诊断价值

Journal of Wenzhou Medical University(2017)

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Abstract
目的:分析MRI和超声检查对粘连型胎盘植入的诊断价值,探讨2种检查方法诊断粘连型胎盘植入的优势和不足.方法:134例临床怀疑胎盘植入的患者均予以MRI及超声检查,以术中临床及术后病理为诊断标准,评价并比较MRI和超声检查对粘连型胎盘植入的诊断价值.结果:134例患者均行剖宫产,术中及术后病理诊断胎盘植入43例,其中粘连型24例,植入型17例,穿透型2例.MRI对粘连型胎盘植入诊断的灵敏度、特异度、正确指数、误诊率、漏诊率分别为62.50%、87.27%、49.77%、12.73%和37.50%;超声诊断的相应指标分别为25.00%、89.09%、14.09%、10.91%和75.00%,2种检查方法的灵敏度差异有统计学意义(x2=6.857,P=0.009).结论:超声检查特异性高,作为方便廉价的筛查手段地位不可取代,MRI的诊断敏感性高于超声,应把MRI作为疑似病例的常规检查手段.
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