| Summary: | Osteoid osteoma is a benign bone tumor commonly occurring in the diaphysis and metaphysis of long bones. Only a few cases were reported in the literature about the rare location of epiphyseal osteoid osteoma and all were treated surgically. Herein, we report a rare case of an epiphyseal tibial osteoid osteoma, in a 14-year-old boy, which was initially diagnosed by imaging and confirmed by histopathology. To the best of our knowledge, this is the first case of an epiphyseal osteoid osteoma treated successfully by CT-guided radiofrequency ablation in a pediatric patient with a good outcome and no detrimental effects. The case highlights the rarity of such presentation, the importance of early imaging and diagnosis, and the success of CT-guided radiofrequency ablation in the treatment of epiphyseal osteoid osteoma.
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