症状不典型的异位妊娠,特别是陈旧性异位妊娠的临床诊断较困难,影像检查中极易与卵巢肿瘤及炎性包块混淆。为提高对它们的鉴别诊断,我们对18例异位妊娠,46例卵巢肿瘤的CT表现作一回顾性分析,试图揭示其CT表现特点。1资料与方法1.118例异位妊娠,均位于输卵管,其中3例位于间质部, Symptoms of atypical ectopic pregnancy, especially in the clinical diagnosis of old ectopic pregnancy more difficult, imaging and ovarian tumor easily be easily confused with inflammatory mass. In order to improve the differential diagnosis of them, we retrospectively analyzed the CT findings of 18 cases of ectopic pregnancy and 46 cases of ovarian tumors in order to reveal their CT features. 1 Materials and Methods 1.118 cases of ectopic pregnancy, are located in the fallopian tubes, of which 3 cases are located in the interstitium,