Three cases of tuberculous lymphadenitis hospitalized in Department of Parasitology and Neuroinfection are presented. In all patients tuberculin test was positive. In 2 patients minimal lesions in lungs were present. In non patient BK in sputum was found. In microscopic picture of enlarged lymph nodes non specific inflammation granulomatosis was found but microbiological examinations were not done. In all patients the results of smears of lymph nodes pus were negative. In 2 patients culture was positive. Persistent enlarged peripheral lymphatic nodes, especially with fistula should be suspected of tuberculous etiology. Material obtained from node's biopsy should be taken to microbiological and histological examination.