ULTRASTRUCTURE OF TELANGIECTATIC OSTEOSARCOMA

被引：12
作者：
ROESSNER, A [1 ]
HOBIK, HP [1 ]
IMMENKAMP, M [1 ]
GRUNDMANN, E [1 ]
机构：
[1] UNIV MUNSTER,ORTHOPAED CLIN,D-4400 MUNSTER,FED REP GER
来源：
JOURNAL OF CANCER RESEARCH AND CLINICAL ONCOLOGY | 1979年 / 95卷 / 02期
关键词：
Electron microscopy; Histogenesis; Telangiectatic osteosarcoma;
D O I：
10.1007/BF00401013
中图分类号：
R73 [肿瘤学];
学科分类号：
100214 ;
摘要：
Recent investigations have shown that telangiectatic osteosarcoma has a poorer prognosis than other osteosarcomas. To elucidate the histogenesis of TOS two cases were investigated on the electron microscopic level. The results show that besides anaplastic, osteoblast-like, and fibroblast-like tumor cells angiosarcomatous components can be observed in this malignant bone tumor, which are characterized by endothelial cells with pinocytotic vesicles, tight intercellular junctions, fine fibrils, and so-called Weibel-Palade bodies in their cytoplasm. From these results, it is concluded that telangiectatic osteosarcoma is derived from multipotent mesenchymal cells with potential differentiation into various directions, such as osteoblast-like cells, endothelial cells, and fibroblast-like cells. © 1979 Springer-Verlag.
引用
收藏
页码：197 / 207
页数：11
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