产前MRI检查在凶险型前置胎盘合并胎盘植入诊断中的应用

Application of Prenatal MRI in Diagnosis of Pernicious Placenta Previa Combined with Placental Implantation

目的探讨产前磁共振成像(MRI)检查在凶险型前置胎盘合并胎盘植入诊断中的应用价值。方法选取疑似凶险型前置胎盘合并胎盘植入孕妇76例,以手术或病理检查结果作为标准,均接受产前MRI检查,分析其诊断效能、影像学特征。结果手术及病理结果显示,76例患者中凶险型前置胎盘合并胎盘植入60例,16例未合并胎盘植入;MRI检查凶险性前置胎盘合并胎盘植入的敏感度、特异度、准确度、阳性预测值、阴性预测值分别为96.67%(58/60)、81.25%(13/16)、93.42%(71/76)、95.08%(58/61)及86.67%(13/15)。结论产前MRI检查在凶险型前置胎盘伴胎盘植入中具有较高的诊断价值,可为疾病的治疗提供有效的依据。

Objective To investigate the application value of prenatal magnetic resonance imaging(MRI)in diagnosis of pernicious placenta previa combined with placental implantation.Methods 76 pregnant women with suspected pernicious placenta previa combined with placental implantation were selected as subjects.The operative or pathological results were taken as the gold standard,and all patients underwent prenatal MRI examination.The diagnostic efficiency and imaging features were analyzed.Results The operative or pathological results showed that there were 60 cases of pernicious placenta previa combined with placental implantation among 76 cases,and the other 16 cases had no placental implantation;The diagnostic sensitivity,specificity,accuracy,positive predictive value,negative predictive value of MRI in pernicious placenta previa combined with placental implantation were 96.67%(58/60),81.25%(13/16),93.42%(71/76),95.08%(58/61),86.67%(13/15).Conclusion Prenatal MRI in diagnosis of pernicious placenta previa combined with placental implantation has higher diagnostic value,which provides effective basis for the treatment of disease.