• S Kohno.
• Kekkaku. 1990 Jan 1; 65 (1): 33-6.

AbstractThe diagnosis of pulmonary tuberculosis is confirmed by the detection of Mycobacterium tuberculosis in sputum. Bronchoscopy has been used for diagnosis of various pulmonary diseases. The value of bronchoscopy such as bronchial aspirate, bronchial washing and transbronchial lung biopsy in diagnosis of pulmonary tuberculosis was evaluated, and the results were as follows: 1) One hundred ninety cases were investigated bronchoscopically due to suspicion of pulmonary tuberculosis with sputum negative smear and 92 cases were confirmed to be pulmonary tuberculosis. 2) Out of 91 cases examined by bronchial aspirate and 46 cases by bronchial washing, smear positivity was 20.9% and 23.9% and culture positivity was 58.2% and 84.8%, respectively. Transbronchial lung biopsy showed positive findings of tuberculosis in 75.8% out of 33 specimens. 3) Out of 88 sputa taken before bronchoscopy and 50 sputa after bronchoscopy, smear positivity was 0% and 12%, and culture positivity was 54.5% and 40% respectively. Gastric lavage culture positivity was 29.4% in 17 cases examined. 4) Diagnosis of tuberculosis was made rapidly in 28 cases (30.4%) by smear positive results of bronchial aspirate, bronchial washing and sputa after bronchoscopy, and relatively rapidly in 20 cases (21.7%) by transbronchial lung biopsy.

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