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Case of the Week 400!




What is the most likely diagnosis?

  • 49 year-old with dysphagia for years



Frontal radiograph of the chest

  1. Double aortic arch
  2. Right aortic arch
  3. Esophageal duplication cyst
  4. Mitral stenosis
  5. Pericardial cyst

Additional Images - CT scan of the Chest

 

 

Additional Images

 

Axial CT Scan of Chest


Answer:

.


3. Esophageal Duplication Cyst

.

.

More (Click Discussion Tab)


Esophageal Duplication Cyst

General Considerations

  • Rare mediastinal mass
  • Most are diagnosed in childhood
  • May be simple epithelial cysts or duplications that contain muscle and submucosa but not epithelium
  • Most (60%) occur in lower 1/3 of esophagus
    • Most commonly associated with difficulty swallowing
  • Occur because of maldevelopment of the posterior division of embryonic foregut

MORE...


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LearningRadiology.com
is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing  lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology.