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Comparison of rate of isolation and characterisation of mycobacteria by AFB Smear, LJ Medium and MGIT
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Bacteriological confirmation plays a key role in the diagnosis of tuberculosis. Many systems have been developed in the recent years apart from traditional microscopy and culture on Lowenstein Jensen (LJ) medium. The objective of this study is to compare the rate of detection of Mycobacteria by acid fast staining, LJ medium and Mycobacteria Growth Indicator Tube (MGIT). Hundred patients with clinical suspicion of pulmonary tuberculosis attending a tertiary care hospital over a period of one and a half years were enrolled in the study. Sputum samples were collected and acid fast smears were prepared. The specimens were decontaminated and cultured on LJ medium and MGIT. Growth obtained was recorded. | Comparison of rate of isolation and characterisation of mycobacteria by AFB Smear, LJ Medium and MGIT