Affiliation:
1. Department of Microbiology and Immunology, School of Medicine and Dentistry, University of Rochester Medical Center, New York 14642-8710, USA.
Abstract
Primary BACTEC 12B cultures with serpentine cords observed in Kinyoun-stained smears were tested with a probe for Mycobacterium tuberculosis complex, while cultures without cords were tested with a probe for M. avium complex. The sensitivity, specificity, and positive and negative predictive values of cording for the presumptive identification of M. tuberculosis were 95, 95, 90, and 98%, respectively. With experience, the selection of a probe for testing of primary BACTEC 12B cultures on the basis of cord formation and history of tuberculosis can provide a rapid and reliable approach to the laboratory diagnosis of tuberculosis.
Publisher
American Society for Microbiology
Cited by
29 articles.
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