Background: Although rhabdomyosarcoma (RMS ... The common histopathologic types are embryonal and alveolar varieties. CT and MR imaging are important in the evaluation of this tumor.

A biopsy soon revealed another cause, however. Cailen had a rare type of tumor called embryonal rhabdomyosarcoma. Diagnosed at four, the toddler endured chemotherapy and radiation to target cancer ...

Although RMS was once believed to arise from extraocular muscles, it is now accepted that orbital RMS develops from undifferentiated mesenchymal cells that have the capacity to differentiate into ...