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. 2020 Jan 28;41(4):377–382. doi: 10.1097/MNM.0000000000001165

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Copyright © 2020 The Author(s). Published by Wolters Kluwer Health, Inc.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CC-BY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Fig. 1 — Flowchart for quantitative PET metrics: a CT–based segmentation, masked PET conversion to binary image, morphological closing and element-wise multiplication between closed image and original ¹⁸F-FDG PET image, and finally, quantitative metrics calculation. CT, Computed tomography; ¹⁸F-FDG PET, fluorine 18 fluorodeoxyglucose PET.