About half of all childhood soft tissue sarcomas are rhabdomyosarcoma, which arises from skeletal muscle, these are most common between the ages of 2 and 6. The other soft tissue sarcomas of childhood include a wide range of different histologies including fibro sarcoma, leiomyosarcoma, liposarcoma, schwannoma, soft tissue Ewing’s / peripheral neuroectodermal tumors, synovial sarcoma and many other types. These non-rhabdo sarcomas are more common in adults, but these tumors usually behave quite differently in children compared to the same tumors in adults.
