IMR Press / EJGO / Volume 31 / Issue 5 / pii/1630985453316-1110860518

European Journal of Gynaecological Oncology (EJGO) is published by IMR Press from Volume 40 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Case Report
Exaggerated placental site mimicking placental site trophoblastic tumor: case report and literature review
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1 Department of Obstetrics and Gynecology, Shimane University School of Medicine, Izumo (Japan)
Eur. J. Gynaecol. Oncol. 2010, 31(5), 586–589;
Published: 10 October 2010

Exaggerated placental site is defined as a non-neoplastic trophoblastic lesion featuring exuberant infiltration into the endometrium and myometrium by intermediate trophoblasts and syncytiotrophoblasts. Exaggerated placental site can occur following normal or ectopic pregnancy, abortion, or hydatidiform mole. We encountered a case of reactive exaggerated placental site seven months following normal pregnancy that clinically mimicked placental site trophoblastic tumor. Few reports have described the clinical course, histopathology and differential diagnosis of exaggerated placental site; we present our patient’s case together with histopathological observations and review of related literature.
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