Evaluation of HZN and RAC Staining Method for BAS Treated Sputum

Evaluation of HZN and RAC Staining Method for BAS Treated Sputum

Diagnosis of Pulmonary Tuberculosis

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Tuberculosis (TB) is a leading cause of morbidity and mortality worldwide. In 2011, 1.4 million people died due to TB and there were an estimated 8.7 million new cases. The current guidelines of the World Health Organization and the International Union Against Tuberculosis and Lung Disease specify that the essential step in the investigation of patients who are suspected of having pulmonary tuberculosis should be microscopic examination of sputum samples. Sputum smear microscopy with Hot Ziehl Neelsen (HZN) and Rapid AFB cold (RAC) staining has been the primary method for diagnosis of pulmonar...