What are the most common sites of osteosarcoma?

Updated: Dec 04, 2018
  • Author: Charles T Mehlman, DO, MPH; Chief Editor: Omohodion (Odion) Binitie, MD  more...
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Answer

Osteosarcoma is a bone tumor and can occur in any bone, usually in the extremities of long bones near metaphyseal growth plates. The most common sites are as follows:

  • Femur (42%, 75% of which are in the distal femur)
  • Tibia (19%, 80% of which are in the proximal tibia)
  • Humerus (10%, 90% of which are in the proximal humerus)
  • Skull and jaw (8%)
  • Pelvis (8%)

A number of variants of osteosarcoma exist, including conventional types (osteoblastic, chondroblastic, and fibroblastic), telangiectatic, multifocal, parosteal, and periosteal. This article only addresses conventional osteosarcoma (often referred to simply as osteosarcoma).


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