There were 35 embryonal carcinomas, 11 teratomas, 3 yolksactumors, 6 choriocarcinomas and 13 mixed germ cell tumors.
胚胎癌35例，畸胎瘤11例，卵黄囊瘤3例，绒毛膜上皮癌6例，混合性生殖细胞瘤13例。
2
Results: AFP was significantly increased in 85% patients with hepatoblastoma and 93% patients with yolk-sactumors.
结果：肝母细胞瘤和卵黄囊瘤术前血清AFP阳性率分别为85％，93％。
3
Objective: malignant germ cell tumors occur in childhood at a rate of 2 to 3 cases per million children, and Yolksac tumor accounts for the most (62.7%) of malignant germ cell tumors.