A lump on the finger knuckle joint can happen for many reasons, ranging from an inflammatory condition to an infection. In rare cases, a bump or lump on the finger knuckle joint can be due to a tumor.

Do not try to pop or drain a cyst on your own. Cysts aren't necessarily a problem, but can become inflamed or infected. Often, the best way to remove a cyst is with surgery, since this can remove the ...

A finger tumor is a mass or lump that forms on a finger. Doctors may also describe these growths as nodules or cysts. Possible causes include ganglion cysts, warts, skin cancer, and more. Although ...