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. 2022 Feb 11;9:831457. doi: 10.3389/fmed.2022.831457

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Copyright © 2022 Maajem, Leclère, Bourhis, Tissot, Icard, Arnaud, Le Pennec, Dissaux, Gujral, Salaün, Schick and Abgral.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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63-year-old man with T1 N1 M0 oropharyngeal SCC (AJCC stage III) – estimated MTV = 0.9cc. wbPET MTV (=V1 in blue), RR-headPET MTV (=V2 in green) and ER-headPET MTV (=V3 in pink) delineated with 40%SUVmax segmentation method reported on the wbPET (top row), RR-headPET (middle row) and ER-headPET (bottom row) images in axial (left column), sagittal (center column) and coronal (right column) views. OF (V3, V1) = 71.2% vs. OF (V2, V1) = 2.9%; DICE (V3, V1) = 74.5% vs. DICE (V2, V1) = 3.1%.