[Application of the distal bronchial brushing technic to the bacteriological diagnosis of pulmonary tuberculosis].

The tubercle bacillus was sought in samples obtained by bronchial brushing in 36 patients whose tuberculosis was demonstrated and in whom a direct examination of the sputum had given only negative results. In 5 cases, the tubercle bacillus was demonstrated only in the sample obtained by brushing, by direct examination and positive cultures in one case and in the other cases, culturutum coughed up after brushing.