%0 Case Reports %T Endometrial Stromal Neoplasm in the Placenta: Report of a Case and Review of the Literature. %A Heller DS %A Hatem F %J Int J Gynecol Pathol %V 37 %N 1 %D Jan 2018 %M 28914670 %F 3.326 %R 10.1097/PGP.0000000000000378 %X Placental neoplasms involving the fetal membranes are exceptionally rare. In leiomyomas and endometrial stromal neoplasms, a uterine origin for nodules in the membranes is also a possibility. We present a case of an incidental endometrial stromal nodule found in the decidua of the free membranes and review the literature.