Foregut duplication cyst

Case contributed by Dr Alexandra Stanislavsky

Patient Data

Age: Adult

Incidental finding on CT.  In the posterior mediastinum, to the left of the oesophagus and below the level of the carina is a low attenuation (20 HU), non-enhancing mass which abuts and displaces the oesophagus to the right side.


Subsequent MRI of the chest demonstrates a well-defined posterior mediastinal mass intimately related to the oesophagus. There is T1 and T2 hyperintensity and no enhancement. 

Appearances are in keeping with a foregut duplication cyst.

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Case information

rID: 10641
Case created: 29th Aug 2010
Last edited: 8th Jan 2016
Inclusion in quiz mode: Included

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