Definition: Nodules are a collection of tissue appearing as a knot or knob under the skin. Nodules are seen in 20-30% of rheumatoid arthritis patients. They may occur anywhere on the body, but are most often seen over the bony prominences.
Also Known As: rheumatoid nodules
Common Misspellings: rhuematoid nodules
Examples: There was evidence of a rheumatoid nodule near the elbow.