Neoplastic Process
embryonal rhabdomyosarcoma Audio
[ em-bry-uh-nul rab-doh-my-oh-sar-koh-muh ]
Subclass of:
Rhabdomyosarcoma
Definitions related to embryonal rhabdomyosarcoma:
  • A poorly circumscribed morphologic variant of rhabdomyosarcoma. It is characterized by the presence of primitive skeletal muscle differentiation in any stage of myogenesis.
    NCI
    U.S. National Cancer Institute, 2021
  • A soft tissue tumor that is most common in infants and young children. It begins in muscles, usually in the head, neck, or genitourinary tract.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (rhabdomyosarcoma, embryonal) A form of RHABDOMYOSARCOMA arising primarily in the head and neck, especially the orbit, of children below the age of 10. The cells are smaller than those of other rhabdomyosarcomas and are of two basic cell types: spindle cells and round cells. This cancer is highly sensitive to chemotherapy and has a high cure rate with multi-modality therapy. (From Holland et al., Cancer Medicine, 3d ed, p2188)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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