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Name two causes for hook-like osteophytes of metacarpal bones.
CPPD and haemochromatosis. Other recognised causes are osteoarthritis and rheumatoid arthritis.
1. Hook-like osteophytes of metacarpal bones of 2nd and 3rd digits on the radial aspect.
2. First carpometacarpal OA.
3. Chondrocalcinosis of the articular and non-articular cartilage.
4. Arteriosclerotic vascular calcifications.