Presentation
Swelling of the left knee on examination. Overnight development of knee swelling. Lab - high WBC count, high CRP.
Patient Data
Age: 13 days
Gender: Male
From the case:
Neonatal knee septic arthritis
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Metaphyseal lucent bands are noted (normal in neonates) on the frontal projection. Soft tissue swelling around the left knee.
From the case:
Neonatal knee septic arthritis
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Suprapatellar complex effusion with peripheral vascularity. The collection is compressible (demonstrated in the 3rd image).
Case Discussion
Surgery the next day proved septic arthritis but without evidence of osteomyelitis.