Local recurrence after surgery can occur. Osteoid osteoma is a small painful lesion, typically causing pain at night relieved by Aspirin. It can occur anywhere in the body, but commonly in the long bones and the spine. Diagnosis is by its typical appearance of a small dense lesion on X-rays. CT scan may be needed to delineate the lesion.
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.