摘要:目的探讨剖宫产术后子宫切口瘢痕妊娠(CSP)的MRI影像特点。方法分析25例经手术病理证实的CSP资料,总结其MRI影像特征。结果25例病灶均位于子宫前下壁切口处,局部子宫前壁明显变薄可见异常信号。有16例可见囊性妊娠囊,呈卵圆形或哑铃状;9例混合包块型妊娠囊无明显囊腔,可见子宫前壁瘢痕处混杂信号包块影。11例向腔内生长,13例向子宫肌层内浸润同时向宫腔内生长,有1例较小妊娠囊完全位于肌层。结论剖宫产瘢痕妊娠的MRI影像有一定特征,超声难以确诊时可联合MRI检查,以提高诊断准确率,能为临床诊断及治疗提供有效依据。
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