TNF and juvenile idiopathic arthritis: In all those cases, active infection byM.tuberculosis (3 patients with pulmonary disease, 2 with miliary involvementand 1 lymphatic TB) occurred less than six months after initiation of anti-TNFα therapy.In children with JIA, one child was treated due to probable pulmonary disease withcompatible respiratory symptoms, nonreactive TST, but with altered chest tomography andpositive Elispot assay after 24 months of ADA use.