Osteoid Osteoma: CT-guided Percutaneous Radiofrequency Ablation and Follow-up in 47 Patients
Section snippets
Patients
From March 1997 to October 1999, 47 patients (female, n = 13; male, n = 34), aged 8–41 years (mean age, 19.6 y), with lesions diagnosed as osteoid osteomas were treated with percutaneous RF ablation. All patients were symptomatic. The duration of pain before RF ablation varied from several months to 2 years. The treatment decision was made after multi-disciplinary discussion between orthopedic surgeons and radiologists on the basis of clinical and radiologic criteria in the setting of a
RESULTS
Percutaneous treatment was technically successful in all cases, and no immediate complications were encountered during or after the procedures. After recovery from anesthesia, postprocedural pain was prevented by one infusion of intravenous analgesics. All patients could be discharged after 24 hours of hospitalization. Mild to moderate pain during the subsequent few days could be controlled sufficiently with oral analgesics. All 47 patients were pain-free within 1 week after RF ablation.
DISCUSSION
The present study, to our knowledge, represents the largest series of percutaneously treated osteoid osteomas reported thus far. Clinically successful treatment was performed in 94% of patients primarily and 100% of patients secondarily (after a second RF ablation procedure in the three patients with recurrences). These results are comparable with those reported by other authors, who investigated RF ablation of osteoid osteoma in a limited number of patients (N = 3–18) and achieved primary
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2018, European Journal of RadiologyCitation Excerpt :The first article reporting OO treated with RFA was carried out by Rosenthal et al. in 1992 [8]. Since then, several groups have successfully adopted this procedure [9–19]. Nowadays, CT-guided ablation techniques allow to heal osteoid osteoma with minimal trauma, functional restrictions and costs [7].