Ganglion

A ganglion is a swelling under the skin that is filled with a thick, jelly-like substance. It is a synovial cyst. This is caused by a break (rupture) of the joint lining from the joint space. A ganglion often occurs near an area of repeated minor trauma (damage caused by an accident). Trauma may also be a repetitive movement at work or in a sport.

TREATMENT

It often goes away without treatment. It may reappear later. Sometimes a ganglion may need to be surgically removed. Often they are drained and injected with a steroid. Sometimes they respond to:

  • Rest.

  • Splinting.

HOME CARE INSTRUCTIONS

  • Your caregiver will decide the best way of treating your ganglion. Do not try to break the ganglion yourself by pressing on it, poking it with a needle, or hitting it with a heavy object.

  • Use medications as directed.

SEEK MEDICAL CARE IF:

  • The ganglion becomes larger or more painful.

  • You have increased redness or swelling.

  • You have weakness or numbness in your hand or wrist.

MAKE SURE YOU:

  • Understand these instructions.

  • Will watch your condition.

  • Will get help right away if you are not doing well or get worse.