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目的探讨MRI诊断剖宫产后瘢痕妊娠(cesarean scar pregnancy,CSP)的价值。方法回顾性分析2008年1月至2011年9月间经MRI诊断为CSP的23例患者的MR图像特征及术后结果。结果 23例CSP患者全部行手术治疗,MRI正确诊断20例,准确率86.96%(20/23)。误诊3例(宫颈妊娠1例、滋养细胞疾病1例、不全流产1例)。典型MRI图像表现为孕囊型、混合包块型。结论 MRI是诊断CSP的有效手段,能较好地反映CSP病理学特点,为临床诊断和治疗提供重要影像学依据。
Objective To investigate the value of MRI in the diagnosis of cesarean scar pregnancy (CSP) after cesarean section. Methods The MRI features and postoperative results of 23 patients diagnosed as CSP by MRI from January 2008 to September 2011 were retrospectively analyzed. Results All the 23 CSP patients underwent surgical treatment. MRI was correctly diagnosed in 20 cases with an accuracy rate of 86.96% (20/23). Misdiagnosis in 3 cases (1 case of cervical pregnancy, 1 case of trophoblastic disease, incomplete abortion in 1 case). Typical MRI images showed gestational sac type, mixed mass type. Conclusion MRI is an effective method to diagnose CSP, which can well reflect the pathological features of CSP and provide important imaging evidences for clinical diagnosis and treatment.