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.
Vanderpump Rules star Tom Sandoval recently underwent surgery to have a cyst removed on his hand. Pic credit: Bravo Vanderpump Rules star Tom Sandoval recently underwent surgery to remove a cyst on ...