in the present study , this theory is contradicted by histological immunohistological , electron microscopic , and autoradiographic-electron microscopic results on a larger number of osteosarcomas , chondromas , chondrosarcomas , chondroblastomas , aneurysmal bone cysts , giant cell tumors of bone , malignant fibrous histiocytomas , fibrosarcomas , desmoplastic fibromas , ewing 's sarcomas , fibrous dysplasias , nonossifying fibromas , and malignant hemangioenkdotheliomas of bone .
C0334463
malignant fibrous histiocytomas
C0262950
bone