Neoplastic Process
childhood osteosarcoma
child·hood os·te·o·sar·co·ma
Definitions related to childhood osteosarcoma:
  • An osteosarcoma occurring during childhood.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • An osteosarcoma that occurs during childhood.
    NCI
    U.S. National Cancer Institute, 2021
  • Osteosarcoma is the third most common cancer in adolescence, occurring less frequently than only lymphomas and brain tumors. It is thought to arise from a primitive mesenchymal bone-forming cell and is characterized by production of osteoid.
    Medscape
    WebMD, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.