MEDIASTINAL MASSES OR WIDENING ON CHEST X-RAY

 

• Lymphoma: Hodgkin's disease and non-Hodgkin's lymphoma.

• Sarcoidosis.

• Vascular: aortic aneurysm, ectasia or tortuosity of aorta or bronchocephalic vessels.

• Carcinoma: lungs, esophagus.

• Esophageal diverticula.

• Hiatal hernia.

• Prominent pulmonary outflow tract: pulmonary hypertension, pulmonary embolism, right-to-left shunts.

• Trauma: mediastinal hemorrhage.

• Pneumomediastinum.

• Lymphadenopathy caused by silicosis and other pneumoconioses.

• Leukemias.

• Infections: TB, viral (rare), Mycoplasma (rare), fungal, tularemia.

• Substernal thyroid.

• Thymoma.

• Teratoma.

• Bronchogenic cyst.

• Pericardial cyst.

• Neurofibroma, neurosarcoma, ganglioneuroma.