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Which of the following statements regarding osteoid osteomas in the spine is correct?
Scoliosis caused by osteoid osteoma is typically a flexible curve
Osteoid osteomas in the spine cannot be treated by radiofrequency ablation
Spinal osteoid osteomas typically occur on the concave side of the curve
Osteoid osteomas always occur in the vertebral body of the spine
Osteoid osteomas in the spine show more malignant histological behavior than those in the extremity
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Scoliosis caused by osteoid osteomas are typically non-flexible curves where the osteoid osteoma occurs on the concavity of the curve. While peripheral osteoid osteomas, far away from the neural elements CAN be treated with radiofrequency ablation, treating osteoid osteomas of the spine with RFA needs to be done on a case by case basis - depending on how close the lesion is to the neural elements. Osteoid osteomas can occur in either the vertebral body or the posterior elements of the spine, but typically occur in the posterior elements. Histologically, osteoid osteomas of the spine are identical to those in the extremity.
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