卵巢甲状腺肿瘤是卵巢生殖细胞肿瘤向单一胚层分化的高度特异的畸胎瘤,临床上少见。我院1973年至1987年共收治4例,现将其中2例报告如下。例1,女,53岁。发现下腹肿块5年,绝经2年来自觉肿块逐渐增大伴尿频、尿急、乏力等症状于1975年10月19日入院。检查甲状腺无肿大。盆检:子宫如孕4个月大小,质硬,表面凹凸不平,可活动,双附件(-)。拟腹腔肿物(子宫肌瘤?)。于10月28日行剖腹探查,术中见腹腔内淡黄色液体1000ml,子 Ovarian thyroid tumors are ovarian germ cell tumors to a single germ layer differentiated highly specific teratoma, clinically rare. Our hospital from 1973 to 1987 were treated in 4 cases, now 2 cases are reported as follows. Example 1, female, 53 years old. Found that 5 years of lower abdominal mass, menopausal 2 years from the swelling of the mass gradually increased with frequent urination, urgency, fatigue and other symptoms in October 19, 1975 admission. Check the thyroid without swelling. Pot examination: the uterus, such as pregnancy 4 months size, hard, uneven surface, can move, double attachment (-). To be abdominal tumor (uterine fibroids?). On October 28 laparotomy exploration, intraoperative see pale yellow liquid 1000ml, son