Treatment is usually excision. Osteoblastoma is a small painful lesion, usually affecting the spine. Treatment is by excison and bone grafting. Examples of malignant tumors are as follows. Ewing's Sarcoma can occur anywhere in the body, and is very aggressive in its spread to the rest of the body.
Treatment is by chemotherapy.
Osteosarcoma occurs typically around the knee. It usually causes pain, and may be associated with a pathological fracture. Treatment consists of chemotherapy and surgery. Limb sparing operations are also increasingly successful with more potent chemical agents. Leukemia can present as bone pain, although blood tests will confirm the diagnosis.