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Radiation Oncology/Bone/Background
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Epidemiology
Incidence: 8 per 1,000,000.
2440 cases in 2004.
Incidence: osteosarcoma (35%), chondrosarcoma (30%), Ewing's sarcoma (16%)
Histology
Histologic Origin Proportion Malignant Tumor Hematopoietic 41% Myeloma Chondrogenic 21% Chondrosarcoma Osteogenic 19% Osteosarcoma Unknown/bone marrow 10% Ewing's tumor
Malignant giant cell tumor
Adamantinoma Fibrogenic 4% Fibrosarcoma Notochordal 3% Chordoma Vascular 2% Hemangioendothelioma
Hemangiopericytoma
Note: Adapted from Dahlin DC, Bone tumors: general aspects and data on 6,221 cases, 3rd ed. 1978
Location
EG-MODE
Epiphysis: Giant cell
Metaphysis: Osteosarcoma
Diaphysis: Ewing's sarcoma