Nerve : If you inadvertently 'bumped' your knee or have been on your knees washing a floor etc. U can irritate the knee bursa and sometimes the infrapatellar branch of the saphenous nerve. This will cause an area of numbness on'top ' of the knee or just below the kneecap.Usually transient, it should resolve spontaneously in next few wks. If it doesn't see pcp. Gl!
Answered 6/8/2018
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
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