haemophilic arthropathyJoe Segen2016-11-12T14:03:07+00:00
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 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.
• 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.