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Orthopedic Associates' Blog


Ganglion Cysts: What to Know
Ganglion Cysts: What to Know
By Dr. Feinstein If you’ve noticed a small, round lump growing under the skin along the tendons or joints of your wrists or hands, you may have a ganglion cyst. Although it can be alarming, these non-cancerous lumps are common and there are more than 200,000 US cases per year.  According to the American Society for Surgery of the Hand, “Ganglion cysts are very common lumps within the hand and wrist that occur adjacent to joints or tendons.  The most common locations are the top of the wrist, the palm side of the wrist, the base of the finger on the palm side, and the top of the end joint of the finger. The ganglion cyst often resembles a water balloon on a stalk, and is filled with clear fluid or gel.” Causes The cause of these cysts is unknown although they may form in the presence of joint or tendon irritation or mechanical changes. They occur in patients of all ages. These cysts may change in size or even disappear completely, and they may or may not be painful. These cysts are ...