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Phoenix, AZ
A 23-year-old female asked:

I have a hard little bump that showed up on my hand, disappeared after a while, and then returned larger but up my arm and itches. what is this?

1 doctor answer2 doctors weighed in
Dr. Robert Greer
Family Medicine 44 years experience
Ganglion?: Without seeing the bump it is hard to say;but i suspect a ganglion cyst:a sac filled with thick fluid that's in joints.

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Last updated Oct 3, 2016

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