Bronchogenic cyst

• Facts:
  Benign cysts, located in the middle mediastinum
• Diagnosis:
  AP CXR
  CT scan
• Differential Diagnosis:
  Anterior mediastinal masses
  Thymoma (associated with myasthenia gravis )
  Retrosternal thyroid
  Teratoma
  Lymphoma
  
  Middle mediatinal masses
  Pericardial cysts
  Lymphoma
  Lymph node enlargement
  Aortic aneurysms of the arch
  Tracheal tumors
  
  Posterior mediastinal masses
  ALL neurogenic tumors
  Esophageal leiomyomas