Osteoid Osteoma

Osteoid osteoma is a benign osteoblastic disease, in 1935 the first report by Jaffe, the incidence of bone tumors account for 2% ~ 3%, occur in long tubular bones, the other occurred in the femur and tibia, a small number of occurred in the body of other bones, tumors less than 1.5cm in diameter close to 2 / 3 of cases to sustain the main symptoms of pain, with clear limits of focal lesions, the surrounding bone may have a larger reaction zone can be served salicylic acid preparations pain. Osteoid osteoma have some types include cortical osteoid osteoma, cancellous bone osteoid osteoma and subperiosteal osteoid osteoma.