目的 观察3.0T MRI与阴道彩色 多普勒超声(TVCDU)在诊断剖宫产瘢痕妊 娠(CSP)中的应用价值。方法 对我院66 例拟诊为CSP患者的临床资料进行回顾性 分析，均接受3.0T MRI和TVCDU检查，以 病理检查为“金标准”，评估3.0T MRI 联合TVCDU检查对CSP的诊断效能。结果 3.0T MRI联合TVCDU的诊断灵敏度、准确 度、阴性预测值高于TVCDU(P＜0.05)； 联合诊断与病理检查一致性高于单一方 法诊断。结论 3.0T MRI联合TVCDU诊断 CSP可显著提升诊断准确度，对指导治疗 方案选择有一定帮助。

Objective To observe the application value of 3.0T MRI and trans-vaginal color Doppler ultrasound (TVCDU) in the diagnosis of cesarean scar pregnancy (CSP). Methods The clinical data of 66 patients suspected as CSP in our hospital were analyzed retrospectively. All patients were given 3.0T MRI and TVCDU. Pathological examination was considered as "gold standard", and the diagnostic efficacy of 3.0T MRI combined with TVCDU on CSP was evaluated. Results The diagnostic sensitivity, accuracy and negative predictive value of 3.0T MRI combined with TVCDU were higher than those of TVCDU alone (P<0.05). The consistency of combined diagnosis and pathological examination was higher than that of single diagnosis. Conclusion 3.0T MRI combined with TVCDU for CSP can significantly improve the diagnostic accuracy and help to guide the choice of treatment plan.