Acta Chir Belg
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Osteoid osteoma is a benign primary skeletal neoplasm occurring mainly in the cortex of long bones, but also in the spine. It occurs most often in young adult males and causes pain in the affected area. It presents as a nidus surrounded by reactive osteosclerosis or less often as a cancellous lesion with only a slight osteosclerosis. ⋯ Histological examination revealed the typical structures for osteoid osteoma. The patient was immediately free of symptoms and still is nine months after treatment. Surgical excision of an osteoid osteoma is still a good alternative to percutaneous radiofrequency ablation when treating osteoid osteoma located in close vicinity to neural structures.