True about joint involvement in hemochromatosis are all except

Answer- C. Chondrocalcinosis is not a featureThe ahropathy of hemochromatosis is a chronic progressive noninflammatory ahropathy.A Predilection for disease in the second and third MCP joints is notable, and enlargement of these joints is readily seen in the fingers when they are extended to form a V, as in the victory sign.Ahropathy often does not improve after iron depletion therapy (phlebotomy), and persistence of joint symptoms is often detrimental to patients quality of life.