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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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Esophageal duplication cyst. (A) Contrast enhanced CT shows lesion (arrow) in the right subcarinal region with heterogeneous attenuation and could be cystic or solid. When CT is indeterminate, MRI is useful to differentiate fluid from solid mediastinal lesions. (B,C) MRI images show the visceral mediastinal lesion (arrow) with intermediate signal intensity on T1-weighted (B) and high signal intensity on T2-weighted (C) MRI images. The intermediate signal intensity on T1-weighted images can be seen with cysts with proteinaceous material. CT, computed tomography; MRI, magnetic resonance imaging.