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Ganglion Cysts

WHAT YOU SHOULD KNOW

A ganglion (GANG-lee-un) cyst is a swelling under the skin that is filled with a thick, jelly-like substance. It occurs most often at the wrist. Sometimes the problem goes away without treatment.

Causes

These cysts are usually the result of an injury or trauma that you may not recall.

Signs/Symptoms

Typically, you'll notice a dull ache or wrist tenderness. You may or may not have a lump. Other signs are numbness, weakness, or swelling of your hand or wrist. Often there are no symptoms.

Care

If the cyst is very painful, you may need to have minor surgery.

WHAT YOU SHOULD DO

  • Do not try to break the cyst yourself by pressing on it, poking it with a needle, or hitting it with a heavy object.

Call Your Doctor If...

  • The cyst becomes larger or more painful.
  • You develop weakness or numbness in your hand or wrist.
  • You notice sudden increased redness or swelling.

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