What is the most common joint to be involved in haemophilic arthropathy?
Large joints are most commonly involved in the following order of frequency: knee, elbow, ankle, hip, and shoulder.
How many joints are usually involved in haemophilic arthropathy?
It is usually monoarticular or oligoarticular.
There is extensive synovial thickening with a heterogeneous mass of old blood and hemosiderin internally, involving the entire knee joint associated with complete loss of the articular cartilage, mainly involving the medial joint compartment along with multiple bony erosions and subchondral cysts formation in the distal femur, proximal tibia and patella (knee joint).
Advanced degeneration of both menisci and ligaments seen.
Appearances are of hemophilic arthropathy.