< Radiation Oncology < Bone

Epidemiology

Incidence: 8 per 1,000,000.
2440 cases in 2004.

Incidence: osteosarcoma (35%), chondrosarcoma (30%), Ewing's sarcoma (16%)


Histology

Histologic OriginProportionMalignant Tumor
Hematopoietic41%Myeloma
Chondrogenic21%Chondrosarcoma
Osteogenic19%Osteosarcoma
Unknown/bone marrow10%Ewing's tumor

Malignant giant cell tumor
Adamantinoma

Fibrogenic4%Fibrosarcoma
Notochordal3%Chordoma
Vascular2%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
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