Role of Bronchoscopy in the Diagnosis of Pulmonary Tuberculosis in Sputum Smear Negative Patients
Keywords:
Fiberoptic Bronchoscopy, Smear negative TuberculosisAbstract
Around 30% of cases of pulmonary TB are sputum smear negative. Bronchoscopy can be a useful adjunctive technique to diagnose TB in such cases. Of the 114 smear negative patients who underwent bronchoscopy, 28 (24.56%) were turned to be smear positive. Of these, 6 (5.26%) were positive for AFB on post FOB sputum examination alone, 4 (3.50%) were positive on BAL examination alone, while 18 (15.79%) were positive with both these samples. The results of the study suggest that bronchoscopy is a useful diagnostic technique and should be performed, wherever possible, in all smear negative patients to avoid delay in diagnosing the disease and initiating treatment, thus effectively reducing its transmission to the community.
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