Correlation between the response to Mycobacterium tuberculosis antigens and the tuberculin skin test in patients with rheumatoid arthritis in Colombia.

INTRODUCTION Rheumatoid arthritis patients under treatment with anti-TNF-α are at a high risk of developing active tuberculosis, and therefore, screening for latent tuberculosis infection is recommended before anti-TNF-α therapy. OBJECTIVE To compare the tuberculin test and IFNγ production induced by culture filtrate proteins(CFPs) and Mycobacterium… (More)