Benign lung nodules can have a few different causes. These include current and past infections in the lungs and inflammation in the body from a condition like rheumatoid arthritis. A lung nodule is a ...

Rheumatoid arthritis (RA) commonly causes fatigue and pain, stiffness, and swelling in your joints. Roughly 40% of people also experience one or more symptoms in areas outside the joint. These ...

Two distinguishing features of long-standing RA are “swan neck” deformities and boutonniere deformities of the fingers (Figure 1). 3 Swan neck deformities develop with hyperextension of the PIP joint ...

The histopathology of RNs is defined by 3 stages: acute inflammation, granulation, and necrosis. The lesions develop from small areas of granulated tissue into large nodules with necrotic centers.

Diagnosis of rheumatoid arthritis (RA) is largely clinical, based on key historic and physical findings and serial observation of symptoms, signs and response to therapies. Observation during the ...