Yeasmin S, Nakayama K, Katagiri A, Ishikawa M, Iida K, Nakayama N, Miyazaki K
Department of Obstetrics and Gynecology, Shimane University School of Medicine, Izumo, Japan.
Eur J Gynaecol Oncol. 2010;31(5):586-9.
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.
超常胎盘部位被定义为一种非肿瘤性滋养层病变，其特征为中间型滋养层细胞和合体滋养层细胞对子宫内膜和肌层的过度浸润。超常胎盘部位可发生于正常妊娠或异位妊娠、流产或葡萄胎之后。我们遇到一例正常妊娠七个月后出现的反应性超常胎盘部位病例，其临床表现酷似胎盘部位滋养层细胞瘤。关于超常胎盘部位的临床病程、组织病理学及鉴别诊断的报道较少；我们展示该患者的病例，并结合组织病理学观察结果及相关文献进行综述。
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