UNIFORMED SERVICES UNIV OF THE HEALTH SCIENCES BETHESDA MD
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Osteoid osteoma is a common, osteoid-producing, benign bone neoplasm affecting pediatric and young adult patients. This tumor most often occurs in the cortical bone as a small, fibrovascular nidus with surrounding sclerosis and soft tissue edema. The diagnosis of osteoid osteoma can usually be made on the basis of radiographic findings, however other entities including stress fracture, osteomyelitis and osteoblastoma occasionally present a diagnostic challenge and can influence which imaging modalities are appropriate for the work-up of a particular lesion. With a high clinical suspicion and imaging support, CT-guided percutaneous radiofrequency ablation has become the treatment of choice for most cases of osteoid osteoma.
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