MPO and tuberculosis: ANA = antinuclear antibody; ENA = extractable nuclear antigen; dsDNA = double-stranded DNA antibody; ANCA = antineutrophil cytoplasmic antibody; MPO = myeloperoxidase; PR3 = proteinase-3; GNA = ganglioside antibody; IgA/IgG/IgM = immunoglobulin A/G/M; HIV = human immunodeficiency virus; HLA-B27 = human leukocyte antigen B27; TB = tuberculosis; PCR = polymerase chain reaction; ACE = angiotensin-converting enzyme; ESR = erythrocyte sedimentation rate.