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. 2014 Apr 22;14(1):10. doi: 10.1186/1470-7330-14-10

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Copyright © 2014 Morbelli et al.; licensee 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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A 65-year-old male patient affected by pharyngeal cancer with lymph nodal relapse (secondary disease relapse: the first relapse in the neck lymph nodes had been treated with surgery and radiotherapy one year before). (a) Axial, contrast-enhanced, full-dose CT shows a small lymph node, which seems to infiltrate the upper esophagus. (b) As evident from contrast-enhanced PET/CT fused images, this lymph node does not display increased FDG uptake. Subsequent endoesophageal ultrasound biopsy confirmed the presence of lymph node metastasis. The patient was then submitted to chemotherapy. CT, computed tomography; PET, positron emission tomography; FDG, [¹⁸ F] fluorodeoxyglucose.