NCIt related terms : Childhood Anaplastic Rhabdomyosarcoma; Pleomorphic Rhabdomyosarcoma;
NCIt definition : A rare aggressive rhabdomyosarcoma occurring in children. The neoplasm is characterized
by the presence of bizarre round, spindle, and polygonal cells.;
Alternative definition : NICHD: A pleomorphic rhabdomyosarcoma occurring in children.;