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. 2015 Jun 10;34:20. doi: 10.1186/s40880-015-0021-y

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© Zhang et al. 2015

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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Fig. 1 — Fluorine-18 fluorodeoxyglucose (¹⁸ F-FDG) positron emission tomography/computed tomography (PET/CT) scans of diffuse large B-cell lymphoma (DLBCL) with a score of 4. (a), baseline PET/CT; (b), final PET/CT (F-PET/CT). A 26 year-old woman with bulky mediastinal uptake on baseline PET/CT, which was interpreted as indeterminate on F-PET/CT using the qualitative visual trichotomous assessment (QVTA) criteria; the residual foci (red arrow) were diagnosed and scored as 4. However, the Deauville criteria interpreted the scan as positive. The patient was alive and in complete remission 41 months after treatment initiation