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  • Title: Fibreoptic bronchoscopy in smear-negative pulmonary tuberculosis.
    Author: Chawla R, Pant K, Jaggi OP, Chandrashekhar S, Thukral SS.
    Journal: Eur Respir J; 1988 Oct; 1(9):804-6. PubMed ID: 3147911.
    Abstract:
    Fifty smear-negative pulmonary tuberculosis patients underwent fibreoptic bronchoscopy. Bronchial aspirate smears of twelve patients and post-bronchoscopic sputum smears of fourteen patients were positive for acid-fast bacilli (AFB). Bronchial biopsy provided the diagnosis in 9 out of 30 patients. Brush smears were positive in 28 patients, being the only positive sample in ten cases. A high yield from brush smears was obtained due to their preparation from caseous material wherever visible in the bronchi. With these results a rapid diagnosis was established in 36 of the 50 patients. When culture results were available, a definite diagnosis of tuberculosis was made in 45 of the patients. The yield from brush smears was found to be significantly better when compared to bronchial aspirate smears (p less than 0.01) and post-bronchoscopic sputum smears (p less than 0.01).
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