Significance of bronchial washings smear negativity in 'suspect' pulmonary tuberculosis.

@article{Rao1993SignificanceOB,
  title={Significance of bronchial washings smear negativity in 'suspect' pulmonary tuberculosis.},
  author={Sukhesh Rao},
  journal={Tropical doctor},
  year={1993},
  volume={23 4},
  pages={170-1}
}
The role of bronchial washings in patients with 'suspect' pulmonary tuberculosis was studied in 55 patients. Bronchial washings increased the diagnostic yield of tuberculosis by 28%. It was also able to accurately exclude active tuberculosis in 94% patients. Hence it is inferred that absence of acid-fast bacilli in smears of bronchial washings is equally important to exclude active tuberculosis. 

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