| 单词 | Tumor,Endodermal Sinus |
| 释义 | Tumor,Endodermal Sinus《英文msh词典》Tumor,Endodermal Sinus [入口词] Tumor,Endodermal Sinus [主题词] Endodermal Sinus Tumor [英文释义] An unusual and aggressive tumor of germ-cell origin that reproduces the extraembryonic structures of the early embryo. It is the most common malignant germ cell tumor found in children. It is characterized by a labyrinthine glandular pattern of flat epithelial cells and rounded papillary processes with a central capillary (Schiller-Duval body). The tumor is rarely bilateral. Before the use of combination chemotherapy,the tumor was almost invariably fatal. (From DeVita Jr et al.,Cancer: Principles & Practice of Oncology,3d ed,p1189) |
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