The medical term for the bump on the joint is ganglion, in common parlance it is called a ganglion. The benign cyst in the area of a joint capsule is usually filled with a clear, gelatinous fluid and feels firm and elastic. And unfortunately it usually hurts.

Where does the ganglion occur most frequently?

A ganglion is particularly common on the back of the wrist, the finger joints and the back of the foot. Sometimes the back of the knee is also affected by these lumps. In very rare cases, it also forms on the shoulder or elbow. The lump can have a diameter of several centimeters.

What are the causes of the ganglion?

The exact triggers are still unclear, including why it affects women so much more frequently than men. However, experts assume that it is caused by injuries, overloading, constant overstretching of the joint or chronic tendonitis.

When should you see a doctor?

If swelling in the joint does not go away on its own, it is advisable to see a doctor so that the leg can be treated. This also applies if no swelling is visible despite joint pain - it may be a deeper ganglion. A reduced grip in the hand can also be an indication of a ganglion.

How is the ganglion diagnosed?

To rule out other diseases such as cancer or osteoarthritis, the ganglion can be x-rayed or examined using ultrasound, and sometimes magnetic resonance imaging is also used.

How is a ganglion treated?

This depends on how painful the lump is. Decongestant ointments can help with regression, sometimes the fluid is aspirated or the ganglion is treated with cortisone. In more severe cases, the ganglion must be surgically removed.