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定义Conventional osteosarcoma is a primaryintramedullary high grade malignant tumor inwhich the neoplastic cells produce osteoid,even ifonly in small amounts.经典型骨肉瘤是指原发于髓腔内的高度恶性肿瘤,肿瘤细胞产生骨样组织,即使是极少量。引自:《Pathology & Genetics-Tumours of Soft andtissue and Bone》World Health Organization Classificationof Tumors 2002
Definition Conventional osteosarcoma is a primary intramedullary high grade malignant tumor inwhich the neoplastic cells produce osteoid, even ifonly in small amounts. Classic osteosarcoma refers to a highly malignant tumor originating in the medullary cavity, where tumor cells produce osteoid tissue, A small amount. Quoted in: “Pathology & Genetics-Tumors of Soft and Tissue and Bone” World Health Organization Classification of Tumors 2002