卵巢内胚窦瘤是一种很少见的、好发于少女及青年妇女的高度恶性的肿瘤。此肿瘤有来自原始生殖细胞、结构复杂、形态多样的特性。过去对此瘤的认识混乱,名之为“卵巢中肾瘤”、“胚外中胚叶瘤”及“胚胎性癌”等。白Teilum发现此瘤组织结构似大鼠胎盘内胚窦样结构后,于1959年命名此瘤为 Ovarian endodermal sinus tumor is a rare, high incidence of malignant tumors in young girls and young women. This tumor comes from primordial germ cells, with complex structures and various morphological features. In the past, the awareness of this tumor was confused and named as “ovarian neoplasia”, “extraembryonic mesodermal tumor” and “embryonal carcinoma”. White Teilum found that the tumor tissue structure similar to the rat placenta endosperm-like structure, named in 1959 this tumor