Ganglion CystsGanglion 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 (see Figure 1), 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 (see Figure 2). Ganglion cysts often resemble a water balloon on a stalk (see Figure 3), and are filled with clear fluid or gel. The cause of ganglion 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.
Ganglion cysts may change in size or even disappear completely, and they may or may not be painful. These cysts are not cancerous and will not spread to other areas.
Ganglion Cyst DiagnosisGanglion cyst diagnosis is usually based on the location of the lump and its appearance. They are usually oval or round and may be soft or very firm. Ganglion cysts at the base of the finger on the palm side are typically very firm, pea sized nodules that are tender to applied pressure, such as when gripping. Light will often pass through these lumps, (transillumination) and this can assist in the diagnosis. Your physician may request x-rays in order to investigate problems in adjacent joints. Ganglion cysts at the end joint of the finger frequently have an arthritic bone spur associated with them.
Ganglion Cyst TreatmentGanglion cyst treatment can often be non-surgical. In many cases, these cysts can simply be observed, especially if they are painless, as they frequently disappear spontaneously. If the ganglion cyst becomes painful, limits activity, or is otherwise unacceptable, several treatment options are available.
The use of wrist splints and anti-inflammatory medication can be prescribed in order to decrease pain associated with activities. An aspiration can be performed to remove the fluid from the ganglion cyst and decompress it.This requires placing a needle into the ganglion cyst, which can be performed in most office settings. Aspiration is a very simple procedure, but recurrence of ganglion cysts is common. If non-surgical options fail to provide relief or if the cyst recurs, surgical alternatives are available. Surgery involves removing the ganglion cyst along with a portion of the joint capsule or tendon sheath (see Figure 3). In the case of wrist ganglion cysts, both traditional open and arthroscopic techniques usually yield good results. Surgical treatment is generally successful although ganglion cysts may recur. Your surgeon will discuss the best treatment options for you. Reproduced with permission from the American Society for Surgery of the Hand www.handcare.org
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