Skin cysts around joints are one of the most common skin diseases that can be caused by various factors. It is a small growth in the skin that looks like a small ball under the surface of the skin. Cysts can occur anywhere on the body, but are most common near large joints and in the area of the fingers, toes, and feet.
The causes of skin cysts around a joint include numerous factors, such as skin trauma, infections and other inflammatory processes, allergies, joint diseases, chronic connective tissue diseases and other internal causes. Excessive fat formation around joints can also cause skin cysts.
Cyst symptoms