Abstract
Background Osteoid Osteoma is a benign painful skeletal neoplasm which is usually smaller than 1.5 cm. Surgery has been considered its standard treatment, currently, Percutaneous CT-guided Radiofrequency Ablation is proved to be the treatment of choice in such cases. Objective To evaluate the effectiveness of CT-guided radiofrequency ablation for the treatment of spinal and non-spinal osteoid osteomas, technical requirements needed for safe radiofrequency ablation and recent advances in this respect. Patients and Methods This study is a retrospective study conducted on patients with osteoid osteoma who underwent Radiofrequency ablation from January 2019 till July 2020 at Ain Shams University Hospitals, Maadi Military Hospital and El Galaa Military Hospital, followed by postprocedure computed tomography (CT) follow up. Results Location, calcification of the nidus, coagulation time, lesion size, and previous treatment are dependent risk factors compared regarding outcome. Conclusion We concluded that CT-guided RFA is a feasible, safe, and effective treatment for spinal and extra-spinal osteoid osteoma and is easily repeatable after unsuccessful treatment. Surgery should be reserved for lesions causing nerve root compression in spinal lesions.
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