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Human giant cell tumor of bone whichconsists of mononuclear stromal cells andmultinuclear giant cells is clinically semi-malignant.Characteristics of Feulgen-DNA de-nsity and ~3H-TdR uptake of the tumor cellscultured in vitro were investigated by auto-radiography and cytophotometry.Small tissuemasses of human giant cell tumor of boneobtained from surgical clinics were cultured in
Human giant cell tumor of bone which constricts of mononuclear stromal cells and multinuclear giant cells is clinically semi-malignant. Characteristics of Feulgen-DNA de-nsity and ~ 3H-TdR uptake of the tumor cells culture in vitro were investigated by auto-radiography and cytophotometry. Mall tissuemasses of human giant cell tumor of boneobtained from surgical clinics were cultured in