Neuroma?: Time to see your Dr for examination to determine why you are having unusual symptoms in your arm. Cannot tell definitively over Internet--might be lymph node over / pushing on nerve, could be growth or cyst from nerve, could be from prior trauma or even infection--needs a good history and exam to know for certain.
Answered 1/24/2016
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7 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
8 doctors weighed in across 4 answers
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