diffuse bilateral, basal interstitial or alveolar infiltrate
LA or pleural effusions may suggest this diagnosis
CT:
NSIP pattern
Methotrexate induced lung disease
References
Sidhu HS, Bhatnagar G, Bhogal P, Riordan R. Imaging Features of the Pleuropulmonary Manifestations of Rheumatoid Arthritis: Pearls and Pitfalls. J Clin Imaging Sci 2011;1:32 (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3177462/)
Joseph J. Chena, Barton F. Branstetter IV, Eugene N. Myers. Cricoarytenoid Rheumatoid Arthritis: An Important Consideration in Aggressive Lesions of the Larynx. AJNR 2005 26: 970-972 (http://www.ajnr.org/content/26/4/970.full)
D.E. Hilling, P.M. van den Berg, A.C. Makkus, F. van der Straaten, P.W. Plaisier: Recurrent Pneumothorax In A Patient With Rheumatoid Arthritis On Leflunomide Treatment: Case Report And Overview Of The Literature. The Internet Journal of Rheumatology. 2007 Volume 3 Number 1. DOI: 10.5580/4c3