TOC | Pulm

MEDIASTINAL MASS

A. Anterior mediastinum mass:  
Thymoma, teratoma, lymphoma, retrosternal thyroid, ascending aorta aneurysm, pericardiala cyst & cardiac abnormality,hematomas, parathyroid tumors, Morgagni hernias, mesenchymal tumors (lipoma, fibroma, hemangioma, etc.)

B. Middle mediastinum mass:  
Lymph node disease: lymphoma, metastatic nodes, sarcoidosis, infection. Tumor of bronchus or tracheal, hiatal hernia,a bronchoenteric cysts, dilatation of aorta, pulmonary vessels.

C. Posterior mediastinum mass:  
Neurogenic tumor, descending aorta aneurysm, Bochdalek hernia, abscess, extramedullary hematopoiesis, anterior meningocele, esophageal neoplasm, diverticula, hernia, megaesophagus; thoracic spine: neoplasm, infectious spondylitis, hematoma/fracture.