Causes of hemarthrosis
- • Trauma
- • Scurvy
- • Bleeding diatheses
- • Iatrogenic (post procedure)
- • Tumors
- • Arteriovenous fistula
- • Pigmented villonodular synovitis
- • Intense inflammatory disease
- • Hemangiomas
- • Charcot’s joint
Pearl: Fat/lipid droplets (look like bubbles) in bloody synovial fluid (may have tomato soup appearance) should suggest subchondral fracture if the joint has been traumatized or avascular necrosis.
