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MYCOBACTERIUM GROWTH INDICATOR TUBE (MGIT) IN COMPARISON TO LOWENSTEIN JENSEN’S MEDIUM FOR ISOLATION OF MYCOBACTERIUM SPECIES FROM URINE SAMPLES.

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Abstract (2. Language): 
The purpose of this study was to test the capability, efficiency, and reliability of the Mycobacteria Growth Indicator Tube (MGIT; Becton Dickinson) for the detection of mycobacteria in urine samples, for which the method had not yet been approved. The results were compared with those of the Löwenstein-Jensen (LJ) solid media in terms of recovery of mycobacteria from 307 consecutive urine specimens. The overall sensitivity for recovery of mycobacterium from urine specimens was 90.3% for the MGIT and 16.1% for LJ medium and this difference was found to be statistically significant. The mean time for positivity for MGIT was 19.4 days, while that for LJ medium was 43 days. However, despite the advantages and the higher sensitivity of the MGIT, solid media will still play a role in the recovery of mycobacterium from urine specimens as few of cases were picked by solid media alone. Therefore laboratories should continue to use a combination of liquid broth and solid media for the isolation of mycobacterium.
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