Surgical Removal of Ganglions
Surgical treatment may be needed for a ganglion that has not responded to nonsurgical treatment and:
The goal of surgery is to remove the ganglion sac and the connecting tissue that allows the fluid to collect.
Surgical removal of a ganglion is an outpatient procedure.
Infection and injury to other tissues are rare, but possible, risks of surgery.
Ganglions return in about 5% to 10% of people after surgery.1 This may happen if the connecting tissue is not completely removed. New ganglions may also form in the area.
In a mucous cyst ganglion, bone spurs (small, bony growths that form along a joint) are often present in the joint next to the cyst, and removing bone spurs makes it less likely that the cyst will return. The chance of infection is higher in mucous cysts.
eMedicineHealth Medical Reference from Healthwise
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