Patient Data
Age: Adult
From the case:
Foregut duplication cyst
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Incidental finding on CT. In the posterior mediastinum, to the left of the esophagus and below the level of the carina is a low attenuation (20 HU), non-enhancing mass which abuts and displaces the esophagus to the right side. Appearance and location are suggestive of foregut duplication cyst.
From the case:
Foregut duplication cyst
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Subsequent MRI of the chest demonstrates a well-defined posterior mediastinal mass intimately related to the esophagus. There is T1 and T2 hyperintensity and no enhancement.
Appearances are in keeping with a foregut duplication cyst.