The occurrence of decidualization outside the endometrium, is called as ectopic decidual reaction. It can involve any abdominal organs, such ovary, fallopian tube, cervix, uterine surface, omentum, etc. and present grey white nodules. These nodules grossly mimic metastatic disease granulomas, causing a diagnostic dilemma. Decidual reaction benign condition regress spontaneously in postpartum pe...