Just watch & see...: Being kneed should not be a high-speed high-impact event so the resulting contusion leading to what your described in the sac would less likely imparted deep blow to hemorrhage or rupture of testicles, which causes severe and long lingering pain, So, be checked and got scrotal US so to see what really happened inside and decide how to treat and follow your being kneed to the testes. Best wish...
Answered 5/13/2016
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A doctor has provided 1 answer
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