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. 2014 Mar 1;87(1036):20130677. doi: 10.1259/bjr.20130677

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© 2014 The Authors. Published by the British Institute of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported License http://creativecommons.org/licenses/by-nc/3.0/, which permits unrestricted non-commercial reuse, provided the original author and source are credited.

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Figure 3. — Positron emission tomography (PET)/MRI and PET/CT obtained for primary staging of squamous cell carcinoma of the hypopharynx. (a) Axial PET/CT image shows a hypermetabolic tumour located in the posterior hypopharyngeal wall (arrow). (b) Corresponding hybrid PET/MRI (fused PET and T₂) shows poor data fusion due to patient motion. Note anterior displacement of the PET image in comparison with T₂, suggesting hypermetabolic base of the tongue–vallecula tumour (dashed arrow). True location of the tumour in the hypopharynx (arrow).