Introduction

Our world-renowned orthopedic surgeons and orthopedists are experts in their fields with specialized training to provide the optimal diagnosis and treatment for a range of orthopedic conditions. We are internationally recognized for delivering the highest-quality orthopedic care to our patients. 

What are mucous cyst ganglions?

Mucous cyst ganglions are lumps found at the joint nearest the fingernail (distal interphalangeal [DIP] joint). The ganglion is firm and does not easily move under the skin. These growths may be painful and may break open, increasing the risk of infection. The fingernail may grow irregularly or be misshapen because the ganglion is near the fingernail’s growth cells.

What causes them?

Mucous cyst ganglions usually occur when osteoarthritis symptoms develop, at middle age or older. This type of ganglion is more common in women than men.

How are mucous cyst ganglions treated?

Because of the risk of infection, mucous cyst ganglions should not be broken open on purpose. Occasionally a ganglion opens on its own. Home treatment may be all that is needed.

Treatment measures include removing the ganglion fluid with a needle (aspiration) to temporarily shrink the cyst, injecting the cyst with hydrocortisone to reduce inflammation and possibly lower the chance that it will return or removing the ganglion with surgery. The ganglion may return after treatment. Bone spurs (small, bony growths that form along a joint) are often present in the joint next to a mucous cyst, and removing the bone spurs makes it less likely that the cyst will return.

Infection is a possible complication of aspiration and surgical treatment.

Physician Referrals

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