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胎盘部位滋养细胞肿瘤(placental site trophoblastic tu-mor,PSTT)指起源于胎盘种植部位的一种特殊类型的滋养细胞肿瘤,临床罕见,多数呈良性临床过程,但一旦发生转移,预后不良[1]。影像学检查多以子宫肌层内有大小不一的结节
Placental site trophoblastic tu-mor (PSTT) refers to a special type of trophoblastic tumor originating from the placenta-growing site. It is a clinically rare and most benign clinical course. However, once metastasis, the prognosis is poor [1] . Imaging examination to the myometrium with different sizes of nodules