A lump on the finger knuckle can have many causes, including ganglion cysts, Bouchard’s nodes, RA, septic arthritis, or a tumor. Treatment will depend on the cause and severity of the symptoms.

A finger tumor is a lump or growth found on the finger. Ganglion cysts are the most common type of tumor that affects the hand. However, other types exist. Learn more here.

FROM time to time little white marks appear on our fingernails — sometimes seemingly for no reason at all. Here’s everything we know about what causes the mystery spots. What does a white mar… ...