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Article
August 1980

Persistently Negative Tuberculin Reactions: Their Presence Among Children With Culture Positive for Mycobacterium tuberculosis (Tuberculin-Negative Tuberculosis)

Author Affiliations

From the Department of Pediatrics, State University of New York, Downstate Medical Center, New York.

Am J Dis Child. 1980;134(8):747-750. doi:10.1001/archpedi.1980.02130200017007
Abstract

• Mantoux tests were performed on 200 children with culture-proven Mycobacterium tuberculosis infections. A group of 28 patients initially had negative reactions to 5 TU PPD-S. Of these, 17 had had extensive or overwhelming tuberculous disease at the time of admission, seven of whom reacted to 250 TU PPD; after a course of chemotherapy, all the survivors had positive reactions to 5 TU PPD-S. The 11 with less severe disease had negative reactions to 5 TU PPD-S and 250 TU PPD, as well as to PPD-A/B/G; in only two could a ready explanation be found for the negative reactor state. In general, a small number of children without life-threatening forms of tuberculosis may have persistently negative tuberculin reactions without any apparent cause. In such cases, other criteria for diagnosis must be relied on, such as lymphocyte transformation, culture, and biopsy.

(Am J Dis Child 134:747-750, 1980)

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