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胎盘植入的MRI征象分析 被引量:8

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摘要 目的探讨胎盘植入的MRI征象。方法回顾性分析32例瘢痕子宫孕妇,全部患者均行剖宫产及病理证实,胎盘植入20例列为胎盘植入组,12例无胎盘植入列为正常对照组,孕晚期分别行MR和超声检查,综合分析MRI征象,比较超声与MRI的诊断价值。结果 MRI与超声对胎盘植入诊断的准确率分别为87.50%、81.25%,敏感度分别为80.00%、70.00%,特异度分别为75.00%、66.67%。胎盘植入组与正常对照组在胎盘与子宫交界面呈波浪状改变、胎盘与子宫交界面信号中断或缺失、胎盘信号不均匀、胎盘厚薄不均、子宫浆膜层信号中断或缺失、子宫壁或宫旁血管增多等征象差异有统计学意义(P<0.01);胎盘附着处子宫壁变薄或缺失、膀胱与子宫下段间脂肪层不均匀或消失、膀胱变形等征象差异无统计学意义(P>0.05)。结论 MRI在瘢痕子宫合并胎盘植入诊断中具有重要价值。
出处 《广东医学》 CAS CSCD 北大核心 2014年第20期3205-3207,共3页 Guangdong Medical Journal
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参考文献12

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共引文献123

同被引文献72

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二级引证文献50

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