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. 2023 May 8;7:27. doi: 10.21037/med-22-53

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2023 Mediastinum. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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Schwannoma. (A,B) PA and lateral chest radiographs show a left mediastinal mass (arrow) in the upper thorax. (C) Axial contrast enhanced CT shows the mass (arrow) is solid with heterogeneous attenuation. (D) Axial T1-weighted MRI shows the mass (arrow) is iso-intense to muscle. (E) Axial T1-weighted post-contrast MRI shows the mass (arrow) enhances heterogeneously. (F) Axial T2-weighted MRI shows the mass (arrow) is heterogeneously hyperintense with cystic areas. (G) Fused PET/CT shows the mass (arrow) is FDG avid. Biopsy confirmed schwannoma. PA, posterior anterior; CT, computed tomography; MRI, magnetic resonance imaging; PET, positron emission tomography; FDG, fluoro-2-deoxy-D-glucose.