A member asked:

I have a lump size of a pea on my left thumb knuckle, it's really painful and i have no idea where it has come from. it's first time i've had this.

A doctor has provided 1 answer

Ganglion cyst: On knuckle where tendon bent over a joint - is common area where cyst in tendon sheet ( protective layer of tendon) may develop. Either form repetitive motion ( as texting...) try cold compress, avoid overuse. Do not push on it. if no better in few weeks to if red and painful - see doctor.

Answered 8/10/2018

1.2k views

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