<unk>  is a rare subtype of<unk>  that was characterized by Folpe et al. in 2002. It is microscopically characterized by primitive round cells forming microalveoli, nests, and cords in a sclerotic background.
Sclerosing rhabdomyosarcoma
Spindle cell rhabdomyosarcoma
Alveolar rhabdomyosarcoma
Embryonal rhabdomyosarcoma
Esthesioneuroblastoma
Angiomyofibroblastoma
Sclerosing epithelioid fibrosarcoma
Myxoid tumor