To make things tricky, though, psoriatic arthritis can resemble another form of arthritis: rheumatoid arthritis ... called the proximal interphalangeal (PIP) and metacarpophalangeal (MCP) joints.
Proximal interphalangeal (PIP) joint arthroplasty is a surgical ... suffering from conditions like osteoarthritis and rheumatoid arthritis. This procedure involves replacing the damaged joint ...