Causes of Mediastinal Mass - Differential Diagnosis Algorithm

Anterior Mediastinal Mass:

 • Thyroid

 • Thymoma

 • Teratoma

 • "Terrible" Lymphoma

Middle Mediastinal Mass:

 • Aneurysm

 • Lymphadenopathy

 • Cystic (Bronchial, Pericardial, Esophageal)

Posterior Mediastinal Mass:

 • Neurogenic Tumour

 • Esophageal Lesion

 • Diaphragmatic Hernia



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