盆腔异位妊娠的CT影像诊断

目的探讨盆腔内异位妊娠的CT表现及其临床诊断价值。方法回顾性分析我院2004年1月～2008年4月经手术病理证实的异位妊娠患者15例．观察其CT表现并总结分析。结果14例异位妊娠发生在输卵管（9例位于壶腹部，4例位于伞端，1例位于间质部），1例发生在卵巢，CT表现盆腔囊实性肿块，密度高低不均．与周围组织分界不清，增强后囊壁强化或局部血管样强化而内部无强化，合并盆腔积血。结论异位妊娠有其特殊的CT征象，可作为临床诊断的重要检查方法。

Objective To explore the features and diagnosing value of ectopic cpregnancy（EP） by CT. Methods 15 cases diagnosed by pathologic examination were analysed with CT diagnostic criterion data in my hospital between January,2004 to April,2008. Results There were 14 cases of tubal pregnancy （9 were located in ampullae ,4 were in interstitial trpes and 1 was in interstitial）;And one cases were ovarian pregnancy. whosesigns of CT were cystoid bump in the pelvic cavity, with uneven density and unclear interface with organization of surroundings, Cystoid wall or blood vessel of the part were intensified and there was no change inside the cystoid,concomitancy with hyperaemia of pelvic cavity.Conclusion Ectopic pregnancy has its special sign of CT and can be diagnosed by CT.