TABLE 1.

Performance of laboratory tests in lymph node samples from patients with culturally proven lymphadenitis due to mycobacteria

Sample no.Patient no.Age (yr)SexaResults of tests in lymph node samplesb
Microscopy (AFB)Culture grownAssay
In-house PCRCOBAS AMPLICOR MTB
Without NALCWith NALC
11c40M++++M. tuberculosis+Inhibition+
2243F+M. tuberculosis+
339FM. tuberculosis+Inhibition
4420MM. tuberculosis++ND
5527FM. tuberculosis+InhibitionInhibition
6628MM. tuberculosis++
7738FM. tuberculosis++ND
8d738FM. tuberculosis++ND
9854FM. tuberculosis+
10961MM. tuberculosis+ND
111069FM. tuberculosis+
121191MM. tuberculosis+
131222MNegative
14d1222MM. africanum+
151387FM. bovisInhibition
161423FM. tuberculosisNDNDND
17d1423FNegative++ND
181561M+++M. genavenseND
  • a F, female; M, male.

  • b ND, not done.

  • c Human immunodeficiency virus-infected patient.

  • d Obtained from the same patient 10, 15, and 21 days after the first sample, respectively.