In patients treating their RA with methotrexate (an immune modulating drug), accelerated formation and growth of rheumatoid nodules, most commonly in the joints of the hands, may occur. This is known as accelerated nodulosis.

What is the name of rheumatoid nodules?

There are four different types of rheumatoid nodules: subcutaneous rheumatoid nodules, cardiac nodules, pulmonary nodules, and central nervous systems nodules. These nodules occur almost exclusively in association with rheumatoid arthritis.

What are arthritis nodules called?

Rheumatoid nodules are firm lumps under the skin. They tend to form close to joints in people affected by rheumatoid arthritis. How big are they? These bumps can be as large as a walnut or as small as a pea.