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Rhabdomyosarcoma in children (RMS or 'rhabdo') is a tumor made up of cancerous cells that look like immature muscle cells. In the United States, about 350 new cases are diagnosed each year in children under 15. Almost two-thirds of children's rhabdo cases develop in children under 10.
RMS may arise in any part of the body, but the most common sites for this tumor are:
In children, there are two major types of rhabdo, which are defined by how the tumor cells look under the microscope (pathology).
Embryonal rhabdomyosarcoma (ERMS) is the most common type.
Alveolar rhabdomyosarcoma (ARMS) makes up about 25-40% of RMS. This type is more commonly found in adolescents and often occurs on the arms and legs.
Newly Diagnosed with RhabdomyosarcomaIn Treatment for RhabdomyosarcomaAfter Treatment for Rhabdomyosarcoma