绒毛膜癌为一种高度恶性肿瘤。绝大部分与妊娠有关,称为妊娠性绒癌。少数发生在卵巢有的与恶性卵巢瘤如无性细胞瘤,恶性畸胎瘤同时并存,称为非妊娠性绒癌。而少女卵巢原发性绒毛膜癌实属罕见,我科收治一例,报告如下:蔡某某八岁,于1987年2月28日入院。患儿入院前八天无明显诱因出现阴道流血,暗红色,每日约20至50毫升,无腹痛。 Choriocarcinoma is a highly malignant tumor. Mostly related to pregnancy, known as pregnancy choriocarcinoma. Occurred in a small number of ovaries and malignant ovarian cancer such as dysgerminoma, malignant teratoma co-exist, known as non-pregnant choriocarcinoma. The girls ovarian primary choriocarcinoma is rare, our department admitted a case, the report is as follows: Cai Moumou eight years old, on February 28, 1987 admission. Eight days before admission, no obvious incentive to vaginal bleeding, dark red, about 20 to 50 ml per day, without abdominal pain.