结论卵巢内胚窦瘤的发生率在中国各类型卵巢恶性生殖细胞瘤中位居首位。
Conclusions the endodermal sinus tumor of the ovary stands first in the incidence of malignant germ cell tumors of the ovary in China.
研究者总结说：小脑幕上原始神经外胚瘤与成神经管细胞瘤的患者接受放疗和大剂量化疗后，脑白质损伤通常短期存在，并不产生症状。
The investigators concluded that in patients with medulloblastomas or PNET who had been treated with irradiation and high-dose radiation, WMLs are typically short-lived and do not cause symptoms.
近年来的研究发现，肾发育过程中的胚基残留，分化障碍可能是肾母细胞瘤发病的原因之一。
For these years, residua of metanephric blastema and delay of differentiation in the development of kidney have been considered the cause of nephroblastoma.
目的建立成釉细胞瘤的鸡胚绒毛尿囊膜侵袭模型。
Objective To establish an ameloblastoma invasive model on the chick embryo chorioallantoic membrane (CAM).
目的探讨视黄酸受体基因在人胚肾上腺和神经母细胞瘤中表达的意义。
Purpose To explore the relationship between retinoic acid receptors and development of human embryonal adrenal and tumorigenesis of neuroblastoma.
结论卵巢生殖细胞肿瘤中无性细胞瘤和胚胎性癌分化水平最接近于生殖母细胞至胚泡阶段。
Conclusions the differential level of dysgerminoma and embryonal carcinoma approximates the stages of gonocyte and blastocyst.
背景和目的：骨巨细胞瘤来源于中胚叶细胞，其肿瘤组织主要由多核巨细胞和基质细胞组成。
Background and Objective:Giant cell tumor of bone(GCT) derived from mesodermic cell, consists mostly of multinucleated giant cells and ground substance cells.
脑胶质瘤是由神经外胚叶衍化而来的胶质细胞即星形胶质细胞、少枝胶质细胞和室管膜胶质细胞等发生的肿瘤，是颅内最常见的恶性肿瘤。
Glioma is the most common type of primary intracranial tumors in human. It developed from astrocytoma, oligodendroglioma, ependymoma, which were induced by neural ectoblast.
脑胶质瘤是由神经外胚叶衍化而来的胶质细胞即星形胶质细胞、少枝胶质细胞和室管膜胶质细胞等发生的肿瘤，是颅内最常见的恶性肿瘤。
Glioma is the most common type of primary intracranial tumors in human. It developed from astrocytoma, oligodendroglioma, ependymoma, which were induced by neural ectoblast.
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