Interstitial lung disease in rheumatoid arthritis: Current concepts in pathogenesis, diagnosis and therapeutics

Figure 2 Recommendations for the diagnosis of interstitial lung disease in rheumatoid arthritis patients. Anti-CCP: Anti-cyclic citrullinated peptide; MTX: methotrexate; Anti-TNF-α: Anti-tumor necrosis factor-α; DLCO: Diffusing capacity of the lung for carbon monoxide; FEV: Forced expiratory volume; FVC: Forced vital capacity; BAL: Bronchoalveolar lavage; TBBx: Transbronchial lung biopsy; HRCT: High-resolution computed tomography; UIP: Usual interstitial pneumonia; NSIP: Non-specific interstitial pneumonia; OP: Organizing pneumonia; DAD: Diffuse alveolar damage; LIP: Lymphocytic interstitial pneumonia.