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. 2021 Apr 6;9(4):390. doi: 10.3390/biomedicines9040390

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Ectopic mediastinal adenoma: 62-year-old man with primary hyperparathyroidism 4D-CT demonstrating a small enhancing nodule in the anterior mediastinum (arrows) seen on non-contrast (A), arterial-phase (B) and delayed phase (C) imaging without washout. (D) Coronal early phase sestamibi SPECT images demonstrate mild uptake in the anterior mediastinum, corresponding to the enhancing nodule on 4D-CT. The patient was subsequently taken for thoracoscopic resection which demonstrated an ectopic parathyroid adenoma within thymic tissue.