Sounds like gangion: If you haven't been injured, this sounds like a ganglion cyst. Don't mess with it, you can gently apply some heat. See someone if it gets larger or painful all the time. If you have had an injury, you should have it x-rayed.
Answered 4/11/2015
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2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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