Ganglion Cyst (cont.)
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Ganglion Cyst Causes
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The cause of ganglion cysts is not known. One theory suggests that trauma causes the tissue of the joint to break down forming small cysts, which then join into a larger, more obvious mass. The most likely theory involves a flaw in the joint capsule or tendon covering (sheath) that allows the joint tissue to bulge out.
Medically Reviewed by a Doctor on 4/24/2014
Elisa E. Aumont, MD
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