卵巢囊性畸胎瘤,又称卵巢皮样囊肿,是最常见的卵巢良性肿瘤之一,除在临床病理上有其特点外,处理上也有值得注意之处。卵巢囊性畸胎瘤占所有卵巢肿瘤的10～20%,有的报告占良性卵巢肿瘤的50%。妊娠合并卵巢囊肿者,约43%为卵巢囊性畸胎瘤。该瘤属于卵巢胚细胞瘤或生殖细胞瘤,以下表示意之。临床特点一、可发生于任何年龄,但以20～30岁生育旺盛时期最为多见。 Ovarian cystic teratoma, also known as ovarian dermoid cysts, is one of the most common benign ovarian tumors, in addition to its clinical and pathological features, the treatment also has something worth noting. Ovarian cystic teratoma accounts for 10 ~ 20% of all ovarian tumors, some reports accounted for 50% of benign ovarian tumors. Pregnancy with ovarian cysts, about 43% of ovarian cystic teratoma. The tumor belongs to ovarian germ cell tumors or germ cell tumors, the following table means. A clinical feature can occur at any age, but the most fertile period of 20 to 30-year-old period.