| alveolar rhabdomyosarcoma | (n) form of rhabdomyosarcoma occurring mainly in adolescents and young adults, Syn. alveolar rhabdosarcoma |
| embryonal rhabdomyosarcoma | (n) form of rhabdomyosarcoma occurring mainly in infants and children, Syn. embryonal rhabdosarcoma |
| pleomorphic rhabdomyosarcoma | (n) form of rhabdomyosarcoma that affects limb muscles of older adults, Syn. pleomorphic rhabdosarcoma |
| rhabdomyosarcoma | (n) a highly malignant neoplasm derived from striated muscle, Syn. rhabdosarcoma |