Table 3 Anamnestic data and the observed kinetics of immunological conversion in a 13-year-old boy.
From: IGRA tests perform similarly to TST but cause no adverse reactions: pediatric experience in Finland
Time | 2007.07 | 2007.08 | 2007.09 | 2007.11 | 2007.12 | 2008.02 |
|---|---|---|---|---|---|---|
Anamnesis | A visitor in the family with pulmonary TB(AFB+) | The grandparent diagnosed with culture-positive TB | ||||
TST (mm) | 0 (neg) | 16 (conversion) | ||||
Ly-TbSpot (reactive cells/106 lymphocytes. | 17 (non-reactive) | 13 (non-reactive) | nd | nd | ||
The max response is shown | ||||||
B-TbINFγ (IU/ml) | 0.36 (borderline) | nd | 0.15 (non-reactive) | 0.70 (reactive) |