Hemochromatosis

Discussion:

Hemochromatosis is the accumulation of excess iron in the body. Most cases are genetically inherited, predominantly in an auto recessive manner. Acquired hemochromatosis usually results from repeated hemolysis and blood transfusions. Excess iron deposition is most often seen in the liver, heart, pancreas and joints.

Joint changes result from calcium pyrophosphate deposition leading to a destructive arthropathy in the hands and feet.

Imaging features in the hands:

  • chondrocalcinosis
  • marked narrowing of the metacarpophalangeal joints of the second and third digits
  • prominent bony beaks arising from metacarpal heads of affected joints is a prominent feature
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