Pulmonary Abnormalities in Patients with Early and Longstanding Rheumatoid Arthritis

We read with interest the article by Mori, et al regarding the pulmonary abnormalities in patients with early and longstanding rheumatoid arthritis (RA)1. We would like to add some new data on this subject. The authors reported no significant differences on imaging abnormalities in the lung between patients with early and longstanding RA. The question arises, how do the authors explain these findings? The prevalence and the severity of lung involvement in patients with RA are related to disease severity, to extraarticular manifestations, to extent of joint and … Address reprint requests to Prof. Drosos. E-mail: adrosos{at}cc.uoi.gr