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. 2016 May 20;4:16. doi: 10.1186/s40349-016-0059-6

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© Temple et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 5 — Thermography during osteoid osteoma treatment. Planned treatment cells for the osteoid osteoma from Fig. 1 shown in a coronal and b axial MRI views on a Philips Sonalleve platform. (User interface not shown). Seven 4-mm treatment cells were arranged in a circular cluster in the coronal plane to cover the entire 1-cm lesion. Due to electronic beam steering on the Sonalleve machine, the focal zone was positioned at the bone surface in the osteoid osteoma. c Sagittal and d axial images demonstrate thermal maps from a 50-W (1000 J) treatment sonication. This exposure produced a maximum temperature above 60 °C at the bone surface. A small region (approximately 1 × 4 mm) adjacent to the osteoid osteoma reached sufficient temperatures to achieve a thermal dose of 240EM@43 °C, causing necrosis.