title: Osteoid osteoma: experience with laser- and radiofrequency-induced ablation.
abstract: The purpose of this study was to analyze the clinical outcome of osteoid osteoma treated by thermal ablation after drill opening. A total of 17 patients and 20 procedures were included. All patients had typical clinical features (age, pain) and a typical radiograph showing a nidus. In 5 cases, additional histological specimens were acquired. After drill opening of the osteoid osteoma nidus, 12 thermal ablations were induced by laser interstitial thermal therapy (LITT) (9F Power-Laser-Set; Somatex, Germany) and 8 ablations by radiofrequency ablation (RFA) (RITA; StarBurst, USA). Initial clinical success with pain relief has been achieved in all patients after the first ablation. Three patients had an osteoid osteoma recurrence after 3, 9, and 10 months and were successfully re-treated by thermal ablation. No major complication and one minor complication (sensible defect) were recorded. Thermal ablation is a safe and minimally invasive therapy option for osteoid osteoma. Although the groups are too small for a comparative analysis, we determined no difference between laser- and radiofrequency-induced ablation in clinical outcome after ablation.
authors.affiliation: Department of Radiology, Charité, Medical University Berlin, Campus Buch, Lindenberger Weg 80, Berlin, 13125, Germany. bernhard.gebauer@charite.de
authors.forename: Bernhard
authors.initials: B
authors.lastname: Gebauer
authors.forename: Per-Ulf
authors.initials: PU
authors.lastname: Tunn
authors.forename: Gunnar
authors.initials: G
authors.lastname: Gaffke
authors.forename: Ingo
authors.initials: I
authors.lastname: Melcher
authors.forename: Roland
authors.initials: R
authors.lastname: Felix
authors.forename: Christian
authors.initials: C
authors.lastname: Stroszczynski
mesh_terms: D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000601:surgery*; D017115:Catheter Ablation; D002648:Child; D003287:Contrast Media; D005260:Female; D019786:Gadolinium DTPA; D006801:Humans; D017075:Laser Coagulation; D008279:Magnetic Resonance Imaging; D008297:Male; D010017:Osteoma, Osteoid / Q000601:surgery*; D010147:Pain Measurement; D015641:Radiography, Interventional; D016896:Treatment Outcome
chemical_list: D003287:Contrast Media; D019786:Gadolinium DTPA