Tuberculosis

Value Of LCx Assay In Diagnosing Extrapulmonary TB Is Questionable

Published in TB and Outbreaks Week, May 15th, 2001

by N.R. Saltmarsh, staff medical writer - The positive predictive value of the LCx Mycobacterium tuberculosis assay for extrapulmonary tuberculosis is less than 50%, compared to culture, say researchers working in Finland.

An accurate diagnosis from non-respiratory specimens must factor in clinical history and histological data, said K. Rantakokko-Jalava and colleagues at the University of Turku.

They evaluated the Abbott LCx M. tuberculosis assay for the diagnosis of pulmonary and extrapulmonary tuberculosis based on routine clinical laboratory results.

The results obtained by the LCx with 350 respiratory and 826...

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Source: TB and Outbreaks Week (2001-05-15)

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