{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T16:09:21Z","timestamp":1753891761200,"version":"3.41.2"},"reference-count":16,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T00:00:00Z","timestamp":1672963200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Oncol."],"abstract":"<jats:p>True thymic hyperplasia (TTH) in children is rare and difficult to distinguish from other thymic tumors such as thymoma and thymic carcinoma. A 3\u2010year\u2010old girl underwent an <jats:sup>18<\/jats:sup>F\u2010fluorodeoxyglucose (<jats:sup>18<\/jats:sup>F\u2010FDG) positron emission tomography (PET)\/computed tomography (CT) scan (<jats:sup>18<\/jats:sup>F\u2010FDG PET\/CT) and a chest CT scan to evaluate an anterior mediastinal mass. <jats:sup>18<\/jats:sup>F\u2010FDG PET\/CT revealed a mediastinal mass showing heterogeneously increased FDG uptake with a maximum standardized uptake value (SUVmax) of 7.1. Eventually, postoperative pathological diagnosis demonstrated TTH. So far, there are no reports of <jats:sup>18<\/jats:sup>F\u2010FDG PET\/CT imaging of this disease.<\/jats:p>","DOI":"10.3389\/fonc.2022.1077777","type":"journal-article","created":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T15:39:50Z","timestamp":1673019590000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Case report: Imaging findings of true thymic hyperplasia at 18F-FDG PET\/CT in an 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