Young male with long history of haemophilia. Right elbow pain and stiffness.
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Expansion of the radial head.
Almost complete loss of joint space. Subchondral sclerosis and cystic change.
No joint effusion.
Haemophilic arthropathy refers to permanent joint disease occurring in haemophiliacs as a long-term consequence of repeated haemarthroses.
The knee is the commonest site, but other joints, such as the elbow may be involved.
Many of the features are those due to early secondary degenerative change, such as joint space narrowing, subchondral sclerosis and subchondral cysts.
Others are more specific such as widening of the intracondylar notch in the knee or in the elbow, such as this case, enlargement of the radial head.