a comparative electrone microscopic investigation of osteogenic sarcomas and giant-cell bone tumors has revealed the ultrastructural differences between a mononuclear component of the giant-cell tumor and the most frequently observed type of osteogenic sarcoma cells ( a well-developed ergastoplasma in cells of osteogenic sarcoma and moderately developed one- in the giant-cell tumor of bones , different rate of development of the mitochondrial apparatus , the character of nuclei ) that indicates different genesis of these two tumor types .
C0017525
the
C0206638
the giant-cell tumor of