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Case Reports in Orthopedics
Volume 2013 (2013), Article ID 254825, 5 pages
http://dx.doi.org/10.1155/2013/254825
Case Report

Osteoid Osteoma with a Multicentric Nidus: Interstitial Laser Ablation under MRI Guidance

1Department of Radiology, Charité—University Medicine Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
2Center for Musculoskeletal Surgery, Charité—University Medicine Berlin, Augustenburger Platz 1, 13353 Berlin, Germany

Received 11 March 2013; Accepted 19 May 2013

Academic Editors: A. Clarke, P. Park, and B. Unver

Copyright © 2013 David Kaul et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Osteoid osteoma (OO) is a common benign tumor of the bone and is typically treated by thermal ablation with computed tomography (CT) guidance. Only a few cases of multicentric OO have been described. We here report the case of an 11-year-old boy with multicentric OO of the right femur treated with laser ablation under open high-field MRI guidance. The steps of the interventional MRI procedure are described, discussing the benefits and disadvantages of MRI versus CT guidance especially with regard to younger patients.