Neoplastic Process
childhood rhabdomyosarcoma
child·hood rhab·do·my·o·sar·co·ma
Definitions related to childhood rhabdomyosarcoma:
  • An aggressive malignant mesenchymal neoplasm arising from skeletal muscle in children. Only a small percentage of tumors arise in the skeletal muscle of the extremities. The majority arise in other anatomic sites.
    NCI
    U.S. National Cancer Institute, 2021
  • An aggressive, malignant, mesenchymal neoplasm arising from skeletal muscle in children; the most common sites are the head, the genitourinary tract, and the extremities.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children. The name is derived from the Greek words rhabdo, which means rod shape, and myo, which means muscle.
    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.