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Navicular Bone Fracture after Radiofrequency Ablation in a Patient with Osteoid Osteoma
Koji Tomita1, Toshihiro Iguchi1,2, Yusuke Matsui3
1Department of Radiology, Okayama University Hospital.
Abstract:
Osteoid osteoma (OO) is a benign bone tumor that presents with nocturnal pain. Computed tomography (CT)- guided radiofrequency ablation (RFA) has been widely performed for OO, and major adverse events post-RFA are rare. We report a case of OO in the left navicular bone of a 15-year-old male. He underwent RFA for OO, and the pain improved temporarily. At the 1-month follow-up, the patient complained of left foot pain, and a CT examination revealed a fracture of the ablated navicular bone. Fractures are rare but must be taken into account after bone RFA.
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