Haemophilic arthropathy

Case contributed by Carlos Ignacio Canet
Diagnosis certain


Chronic knee pain and inflammation

Patient Data

Age: 20 years
Gender: Male

Diffuse synovial thickening, with hypointense signal, presenting magnetic susceptibility artifacts on GRE sequences, denoting hemosiderin deposition (blooming artifact).

Diffuse narrowing of joint spaces with subchondral bony erosions with hemosiderin content.

Case Discussion

The features are consistent with hemophilic arthropathy in a patient with a long-standing diagnosis.

There is proliferative synovitis with hemosiderin due to repeated episodes of hemarthrosis, with erosion and degenerative changes of the joint spaces.

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