Childhood Cancer: Osteosarcoma (KidsHealth.org)
KidsHealth.org - Osteosarcoma is the most common type of bone cancer. Although many different
types of cancers (malignancies) eventually spread to other parts of the
skeleton, osteosarcoma is one of the few cancers that actually begins in bones
and sometimes spreads elsewhere. Because osteosarcoma develops from osteoblasts
(the cells that manufacture growing bone), it most commonly develops in
teenagers who are experiencing their adolescent growth spurt. Osteosarcomas
account for about 5% of all childhood cancers and affect about 900 American
teens each year. ...