1. Approximately 40 % of all osteoblastomas are located in the spine. 2. The first route of treatment in Osteoblastoma is via medical means. 3. This variant is also more likely to recur after surgery than is conventional osteoblastoma . 4. However, an aggressive type of osteoblastoma has been recognized, making the relationship less clear. 5. The etiology of osteoblastoma is unknown. 6. Although necessary, radiation therapy ( or chemotherapy ) is controversial in the treatment of osteoblastoma . 7. Osteoblastoma of the long tubular bones is often diaphyseal, and fewer are located in the metaphysis.8. In most patients, radiographic findings are not diagnostic of osteoblastoma ; therefore, further imaging is warranted. 9. Osteoblastoma affects more males than it does females, with a ratio of 2-3 : 1 respectively.10. The tumors usually involve the posterior elements, and 17 % of spinal osteoblastomas are found in the sacrum.
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