Osteosarcoma and Ewing sarcoma are bone cancers that primarily affect children, teens, and young adults. Symptoms they share include bone pain, stiffness, and swelling at the tumor site. About 2% of ...

Ewing sarcoma bone tumors have an onion-skin appearance on imaging scans. This happens because the tumors stimulate the growth of a membrane that surrounds the bones. Ewing sarcoma is a bone cancer ...

Doctors stage Ewing sarcoma by considering its size, whether it affects lymph nodes, and whether it has spread to other areas. It always has a high grade, meaning that the cancer looks highly atypical ...