Ganglion Cyst
A ganglion cyst is a noncancerous lump caused by a small sac of fluid forming over a joint or tendon. They can be painful if they press on a nearby nerve.
Ganglion cysts are typically round or oval and are filled with a jellylike fluid. Small ganglion cysts can be pea-sized, while larger ones can be around an inch in diameter. Their location can sometimes interfere with joint movement. If you have no symptoms, no treatment is necessary. In many cases, the cysts go away on their own.
Causes
Although the exact cause of ganglion cysts is unknown, they may arise from trauma. It grows out of a joint or the lining of a tendon, looking like a tiny water balloon on a stalk, and seems to occur when the tissue that surrounds a joint or a tendon bulges out of place. Inside the cyst is a thick lubricating fluid similar to that found in joints or around tendons.
Symptoms
A ganglion cyst is associated with one or more of the following symptoms:
- A noticeable lump—often this is the only symptom experienced
- Tingling or burning, if the cyst is touching a nerve
- Dull pain or ache, which may indicate the cyst is pressing against a tendon or joint
- Difficulty wearing shoes due to irritation between the lump and the shoe
Burning Sensation
A burning sensation is a type of pain that’s distinct from dull, stabbing, or aching pain and is often related to nerve problems.
Deformities In The Affected Area
Foot deformities are a group of congenital and acquired conditions involving structural abnormalities that may affect the bones, tendons, and muscles of your foot.
Pain On Top Of The Foot
Many health conditions and injuries can upset the foot’s movement and balance, causing problems and pain on top of the foot.
Potential Treatments
To diagnose a ganglion cyst, your doctor will perform a thorough examination of the foot. This may consist of shining a light through the cyst or removing a small amount of fluid from the cyst for evaluation. In some cases, X-rays and additional imaging studies may be performed.
If your ganglion cyst is causing you problems, your doctor may suggest draining the cyst with a needle. Removing the cyst surgically also is an option.
