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Characterization of mycobacterial species in clinically diagnosed cases of pulmonary tuberculosis and their HIV status.


Indian J Pathol Microbiol. 1997 Jul;40(3):365-7. Unique Identifier :

A total of 75 clinically diagnosed and radiologically evident cases suggestive of pulmonary tuberculosis were selected for study. Sputum sample of each patient was screened for AFB by Ziehl Neelsen staining and culture. On examination 20 smears were found positive for AFB and 55 smears were negative by concentration method. A total of 23 samples were found to be culture positive and 52 were culture negative. Of these, 22 stains were identified as Mycobacterium tuberculosis, one was identified as M. Scrofulaceum. Of the 75 patients 3 were seropositive for HIV-I antibodies. Out of these 3, one was found to be smear and culture positive and was identified as M. scrofulaceum. Other two seropositive patients were smear and culture negative for AFB.

*Mycobacterium/ISOLATION & PURIF *Tuberculosis, Pulmonary/MICROBIOLOGY


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