| • The
most rapidly destructive joint disease|
Hematogeneous spread to synovium (rarely from osteomyelitis)
Staphylococcus aureus, Streptococcus, Gram-negatives (diabetes)
Loss of joint function in 25% - 50%
Goldenberg, Lancet 1998 •
Definitive diagnostic – identification of agent in synovial
Septic Arthritis - Role
– Early joint
– Early cartilage damage
Early bone marrow changes
– Extension of
infection into surrounding tissues
tuberculous versus pyogenic arthritis
Arthritis - MR Findings
• Synovial thickening
• Cartilage destruction
• Bursitis, tenosynovitis
versus pyogenic arthritis
SH Hong et al, Radiology 2001
– 29 TA, 13 PA
47 y. Pyogenic arthristis of shoulder with staphycococcus aureus.
|M, 57 y.
Pyogenic arthritis of both hips (staphiloccoccus).|
67 y. Pyogenic arthritis and osteomyelitis of the knee after surgery
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