Sputum Smear. 108592892 Sputum smear microscopy remains the most widely used test for diagnosing pulmonary TB in resource-limited settings. This test involves staining sputum samples with special ...

Evaluation of: Tortoli E, Russo C, Piersimoni C et al. Clinical validation of Xpert MTB/RIF for the diagnosis of extrapulmonary tuberculosis. Eur. Respir. J. doi:10. ...

Tuberculosis (TB) is an infectious disease ... 20 bacteria per millilitre of unprocessed sputum sample in 30 minutes. Conventional culture-based tests, by comparison, can detect about 10–100 ...

Children tend to develop pauci-bacillary TB and are rarely sputum smear positive. M. tuberculosis culture is more sensitive than smear microscopy, but it remains an insensitive test (culture ...