Rheumatoid nodules are firm lumps under the skin. They grow close to joints affected by rheumatoid arthritis. These bumps can be as large as a walnut or as small as a pea. Not everyone with RA gets them.
Some nodules can move. Others stay firmly in place, because they're connected to tendons or other bands of tissue called fascia under the skin.
They often show up in:
They can form on the vocal cords, too, which causes hoarseness. You can also...