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A member asked:

Knee effusion in 2 year old no ligament damage, possible causes?

A doctor has provided 1 answer

Several possible: A knee effusion in a 2 y/o could be a number of things including trauma, arthritis and infection. I would go to your doctor and have them evaluate what kind of work up needs to be done to correctly diagnose the effusion.

Answered 2/25/2014

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