卵巢畸胎瘤是良性的还是恶性的?Is ovarian teratoma benign or malignant?

陈凤林教授指出:卵巢畸胎瘤是一种常见的卵巢生殖细胞肿瘤，由多胚层组织构成，占卵巢肿瘤的20%-40%，好发于生育年龄妇女及幼女。根据病理组织学类型分为成熟性畸胎瘤、未成熟畸胎瘤，其中95%-98%为良性成熟性畸胎瘤，只有2%-5%为恶性未成熟性畸胎瘤。

Professor Chen Fenglin pointed out that ovarian teratoma is a common ovarian germ cell tumour, which is composed of Polyembryonic tissue, accounting for 20-40% of ovarian tumors. Ovarian teratoma often occurs in women of reproductive age and young girls. According to histopathological types, mature teratomas and immature teratomas were classified. Among them, 95% - 98% were benign mature teratomas and only 2% - 5% were malignant immature teratomas.