A member asked:

What could a firm, small, white lump on forefinger be? joint closest to nail, on thumb side. i have ra and some oa. thanks!!

A doctor has provided 1 answer

See details: The 2 most likely causes are a synovial cyst or a Heberden node. The former is obviously a cyst and the latter is a bony enlargement. If you have RA and you smoke the RA will likely be much worse.

Answered 2/9/2020

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