The MRI appearance of tubal pregnancy should be differenciated with appearance of normal ovary,ovary cyst,ovary neoplasm,adnexal inflammation mass,fallopian tube fluid.

• MRI诊断输卵管妊娠应与正常卵巢和卵泡、卵巢囊肿、卵巢肿瘤、炎性肿块和输卵管积水鉴别。