Bronchogenic cyst vs esophageal duplication cyst

Last revised by Andrew Murphy on 31 Jul 2022

Bronchogenic cysts and esophageal duplication cysts are embryological foregut duplication cysts and are also differential diagnoses for a cystic mediastinal mass.


  • asymptomatic bronchogenic cyst
  • symptomatic esophageal cyst in the case of peptic ulceration
Plain radiograph 
  • bronchogenic cysts appear at a subcarinal location (most commonly)
  • esophageal cysts appear more tubular and in close relation to the esophagus
Cyst wall
  • thin-walled bronchogenic cyst
  • relatively thick-walled esophageal cyst (due to the presence of smooth muscle)

See also

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