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 ...

Psoriatic arthritis (PsA) can lead to structural changes in your body. It’s a type of arthritis that happens when you have the skin disease psoriasis. It might cause your bones to erode or break down.