CT-Guided Radiofrequency Ablation of Pediatric Osteoid Osteoma Utilizing a Water-Cooled Tip |
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| Authors: | Amos Peyser MD Yaakov Applbaum MD Naum Simanovsky MD Ori Safran MD Ron Lamdan MD |
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| Affiliation: | (1) Department of Orthopedic Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel;(2) Department of Radiology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel |
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| Abstract: | Background Radiofrequency ablation (RFA) has a success rate of 70% to 90% in the treatment of osteoid osteoma (OO). Failures are due to malpositioning of probes or incomplete ablation, possibly related to conventional probes’ small heating diameter (range, .5–.8 cm). Cooled-tip probes have a larger heating distance, ablating up to 3 cm, affecting a larger volume, and improving success rate in adults. Concerns regarding damage to surrounding structures and unknown effects on bony growth potential have delayed the widespread use of cooled tips in children. Our goal was to examine whether this technique, when added to conventional RFA, improves the clinical results and whether it carries any additional risks to children. |
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