卵巢生殖细胞肿瘤是来源于原始生殖细胞的一组卵巢肿瘤,是卵巢的第2位原发肿瘤,发病率较高,严重危害女性健康。卵巢生殖细胞肿瘤包括成熟畸胎瘤、未成熟畸胎瘤、无性细胞瘤、内胚窦瘤及混合生殖细胞肿瘤,其中成熟畸胎瘤为良性肿瘤,占生殖细胞肿瘤的85%~97%;未成熟畸胎瘤、无性细胞瘤、内胚窦瘤及混合生殖细胞肿瘤为恶性肿瘤。生殖细胞肿瘤绝大部分含有脂肪成分,利用磁共振技术对脂成分的识别 Ovarian germ cell tumor is derived from the primordial germ cells of a group of ovarian tumors, is the ovarian second primary tumor, the higher the incidence of serious harm to women’s health. Ovarian germ cell tumors include mature teratoma, immature teratoma, dysgerminoma, endodermal sinus tumor and mixed germ cell tumors, of which mature teratoma is a benign tumor, accounting for 85% to 97% of germ cell tumors; Immature teratoma, dysgerminoma, endodermal sinus tumors and mixed germ cell tumors are malignant tumors. Most germ cell tumors contain fat components, the use of magnetic resonance technology to identify lipid components