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Pre treatment MRI and CT scan reveal small rounded hypervascularized cortical lesion developped in the lateral border of the radial head corresponding to the nidus of osteoid osteoma. Note the bony and soft tissue inflammatory reactions demonstrated as bone marrow oedema of the proximal third of radius with soft tissue oedema and joint effusion.
The tumour was treated percutanously by laser photocoagulation: 2 W of power was applied for 10 minutes.
1 year follow up CT scan images show sequelae of nidus ablation which is well destructed. Clinically, the patient is free of pain.