Two cases of fibrosing mediastinitis caused by tuberculosis

Fibrosing mediastinitis is a rare disease which is characterized by excessive fibrosis of mediastinum and symptoms caused by compression and obstruction of mediastinal structures. Although the pathogenesis of this disease is unknown, granulomatous infection is considered to be the most common cause of this disease. Histoplasmosis is the most common etiology, especially in the endemic areas in United States. Tuberculosis is another etiology of fibrosing mediastinitis. We experienced two cases of fibrosing mediastinitis associated with tuberculous infection.