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. 2014 Nov 22;15:393. doi: 10.1186/1471-2474-15-393

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© Okamura et al.; licensee BioMed Central Ltd. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Images of FDG-PET obtained under TCZ therapy. (a) Whole-body ¹⁸F-FDG-PET/CT was performed before (a) at three (b) and six months (c) after the initiation of TCZ therapy. The FDG uptake in the affected joints had decreased. TCZ: tocilizumab. The contrasts of the PET images were adjusted on the basis of the liver density.