82 year-old-female with hand pain. Chondrocalcinosis (blue arrow). Severe osteoarthritis of the first carpometacarpal and sever joint space narrowing in the second MCP with a small hook osteophyte. Severe osteoarthritis of the DIP joints with central erosions predominantly seen in the middle finger DIP joint. Patient has findings of CPPD arthtopahy and erosive osteoarthritis.