Introduction: Osteoid osteoma is a benign bone tumor with the classical characteristic of pain that subsides significantly with the use of nonsteroidal anti-inflammatory drugs. When conservative therapy fails, a surgical approach is then recommended. Radiofrequency ablation (RFA) has become more widely used compared to open resection due to fewer serious postoperative complications. But it is still important that the complications of RFA be recognized and addressed. Case report: We present a case of a 22-year-old man with acute pain on his left shin, accompanied by signs of localized inflammation. The clinical findings and radiology support the diagnosis of osteoid osteoma. A surgical intervention with percutaneous radiofrequency ablation was performed. However, post-operatively, the patient complains of prolonged fluid discharge from the surgical site. Following the biopsy and debridement surgery, both specimen culture and histopathology results revealed sterile inflammation with no specific process. Conclusion: RFA has become the most popular treatment of choice for osteoid osteoma, but it still comes with complications, most commonly involving subcutaneous bones such as the tibia. In conclusion, extra caution is needed when treating subcutaneously located bones with RFA.

Department of Anesthesiology Faculty of Medicine Universitas Pelita Harapan Siloam Hospitals Lippo Village Tangerang Indonesia

Department of Orthopedics and Traumatology Faculty of Medicine Universitas Pelita Harapan Siloam Hospitals Lippo Village Tangerang Indonesia

Department of Orthopedics and Traumatology Faculty of Medicine Universitas Sumatera Utara Medan Sumatra Utara Indonesia

Department of Radiology Faculty of Medicine Universitas Pelita Harapan Siloam Hospitals Lippo Village Tangerang Indonesia

Sterilní zánět po radiofrekvenční ablaci osteoidního osteomu

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