Severe pain from arthritis in your middle knuckle (PIP joint) may require replacement (arthroplasty). Silicone replacements are the most common. They tend to have the best results and typically last ...
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 ...