haemophilic arthropathy

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haemophilic arthropathy2016-11-12T14:03:07+00:00

haemophilic arthropathy

HAEMATOLOGY

Definition An often permanent disorder affecting one or more joints of a haemophiliac due to repeated haemarthroses, which occurs in about 50% of haemophiliacs.

Joints affected Most commonly, large joints; in descending order of frequency: knee, elbow, ankle, hip, shoulder.

haemophilic arthropathy image from New Medical Terms

haemophilic arthropathy of knee

Imaging–plain film Joint effusion in a background of haemarthrosis, periarticular osteoporosis, epiphyseal enlargement, secondary degenerative disease with symmetrical loss of joint cartilage, periarticular erosions, subchondral cysts, osteophytosis and sclerosis.

Differential diagnosis

• Juvenile rheumatoid arthritis and paralysis (plain film) 

• Pigmented villonodular synovitis and synovial osteochondromatosis (MRI).

Pathology Synovial hyperplasia which may erode cartilage and subchondral bone leading to subarticular cyst formation, chronic inflammation, fibrosis, haemosiderosis.  

Reference http://radiopaedia.org/articles/haemophilic-arthropathy

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