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A case of pulmonary tuberculosis with bilateral hilar lymphadenopathy diagnosed by sputum culture subsequent to open thoracic biopsy.

We report a case of pulmonary tuberculosis with bilateral hilar lymphadenopathy. Open thoracic lymph nodes and lung biopsy revealed findings consistent with sarcoidosis. Culture and special staining of the biopsied specimen for mycobacteria were negative. Culture of the postoperative sputum grew Mycobacterium tuberculosis and antituberculous therapy resulted in a decrease in sizes of the lymphadenopathy. A review of the literature, with emphasis on the differential diagnosis between tuberculosis and sarcoidosis, is discussed.