Septic Arthritis - Radiologic Findings

Radiologic Findings

The diagnosis of septic arthritis is based on clinical assessment and prompt arthrocentesis. Imaging can sometimes be used to aid in the diagnosis of septic arthritis.

Native X-ray of the joint is neither sensitive nor specific. Ultrasound can detect joint-swelling. MRI findings include: synovial enhancement, perisynovial edema and joint effusion. Signal abnormalities in the bone marrow can indicate a concomitant osteomyelitis. The sensitivity and specificity of MRI for the detection of septic arthritis has been reported to be 67% and 98% respectively.

Read more about this topic:  Septic Arthritis

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