What forms the bump on the wrist?

Answer 1

Well, the information you provide is limited, but a common cause can be a Ganglion cyst. Go see your primary care doc or a hand surgeon to rule out other causes and to receive treatment. If it is a simple Ganglion cyst, it usually can be drained in the office.

Answer 2

Are you asking about the bone that make the knob on the outside of your wrist?

Answer 3

ayla