Wrist Ganglion in Vienna

A firm, rounded lump bulges out on the back of the hand, sometimes larger, sometimes smaller, and now and then it disappears for a while. Usually a ganglion lies behind it, commonly known as a ganglion cyst. I use ultrasound to find out where the outpouching comes from and tell you openly whether it needs treating at all.

In short

A ganglion (ganglion cyst) is a benign outpouching of the joint capsule or of a tendon sheath, filled with thickened joint fluid. On the wrist it usually sits on the extensor side, less often on the flexor side. Its size fluctuates, and some ganglions disappear on their own. Symptoms arise only when the outpouching presses on neighbouring structures or obstructs movement. I assess it with ultrasound in the practice; treatment ranges from watching through aspiration to open or arthroscopic removal. A recurrence remains possible with every approach.

What is a ganglion (ganglion cyst)?

A ganglion is an outpouching: the joint capsule or the lining of a tendon sheath bulges out at a weak point and fills with joint fluid. Inside the outpouching this fluid thickens and becomes as viscous as jelly. That is why a ganglion feels firm, not soft like a lump of fatty tissue. The everyday German term Überbein (‘extra bone’) is misleading: the swelling has nothing to do with bone, and it is not malignant.

Almost every ganglion is connected to the joint by a thin stalk. This stalk acts like a valve: fluid gets in, but comes back out less easily. That explains why the swelling grows under load, shrinks during periods of rest and can disappear completely for a time, only to return later.

Where a ganglion sits on the wrist

  • Extensor side (dorsal) — the most common site, centrally over the scapholunate ligament
  • Flexor side (palmar) — close to the radial artery; this calls for careful planning
  • Pulley ganglion on the finger — a hard nodule in the palm that presses when you grip
  • At the end joint of a finger — the mucous cyst; it is linked to osteoarthritis of the wrist and fingers
  • Occult ganglion — too small to be seen; it makes itself noticed only through pain

Typical symptoms

  • Firm, elastic swelling — usually on the back of the hand, movable against the skin
  • Fluctuating size — more marked after load, smaller at rest
  • Pulling pain when leaning on the hand — when getting up from a chair or in the press-up position
  • Restricted extension — the wrist can no longer be fully extended
  • Tingling or numbness — when the outpouching presses on a nerve
  • Loss of strength when gripping — the painful position is avoided

How I make the diagnosis

First I ask about the course: how long the swelling has been there and whether it changes. Then I palpate the finding; a ganglion is firm, elastic and movable against the skin. The deciding factor is ultrasound in the practice. It shows whether the swelling is filled with fluid, where its stalk arises and how it lies in relation to tendons, nerves and vessels — this is what distinguishes a ganglion from a solid lump. If a question remains open, I arrange an MRI.

Treatment: watching is often enough

A ganglion that does not hurt, traps nothing and does not obstruct movement needs no treatment. I say so openly, even when a visible swelling is worrying. Check-ups at intervals are enough; if the findings change, we look at them again.

I advise against household remedies: smashing the swelling with a hard object, as was once common, can injure skin and capsule, and the stalk remains all the same. It makes more sense to change the load that triggers it — forceful weight-bearing with the wrist extended, long periods of work with the wrist bent, repeated twisting under load. A wrist support can guide the joint temporarily.

If the outpouching presses and gets in the way in daily life, aspiration under ultrasound guidance is an intermediate step: I empty the viscous fluid with a needle and the swelling collapses. The stalk to the joint remains intact, and with it the route by which the ganglion can fill again. I say so beforehand, so that expectations are realistic.

My practice is a private practice, in Austria a Wahlarztordination. I do not settle directly with any public health insurer; you receive an invoice and submit it to your insurer — on request I take care of the submission for you. I explain how this works on the page on private practice and reimbursement.

When an operation is necessary

Persistent pain, restricted movement, pressure on a nerve or a ganglion that returns quickly after aspiration speak in favour of removal. What matters is not the size of the swelling but what it does at its site.

In open removal I dissect out the ganglion together with its stalk and a small part of the joint capsule; if the stalk is left behind, the outpouching is more likely to fill again. On the flexor side I work with particular care, because the radial artery and nerves lie immediately adjacent. In arthroscopic removal I take the stalk down from within through small approaches and assess the joint at the same time; more on this under arthroscopy of the wrist. I carry out necessary procedures at the ATOMOS Klinik Währing, the Privatklinik Döbling or the Rudolfinerhaus, and I accompany you from planning through the procedure to aftercare.

A recurrence remains possible with every approach, even after clean removal of the stalk; that belongs in the conversation before a procedure is arranged. Related conditions of the hand are trigger finger and carpal tunnel syndrome, which also causes tingling in the fingers; which cause lies behind your symptoms I help you place under assessing hand pain. An overview is given on the page on hand surgery in Vienna.

Whether watching, aspiration or removal is the right route, I do not decide by the size of the swelling. I make that choice together with you, as soon as the findings are available.

Frequently asked

Frequently asked questions about the ganglion

No. A ganglion is a benign outpouching of the joint capsule, not a malignant disease; it does not grow into neighbouring tissue. It becomes troublesome through its position: if it presses on a nerve, a vessel or a tendon, pain, tingling or restricted movement result. A swelling on the hand that is unclear or keeps growing should be examined.

No. Many ganglions need no treatment, because they neither hurt nor restrict movement; some regress on their own. Persistent symptoms, pressure on a nerve or an outpouching that returns quickly after aspiration speak in favour of a procedure. Size alone is not a reason to operate.

The ganglion is connected to the joint by a thin stalk. This stalk acts like a valve: under load, joint fluid is pressed in, and it flows back out less easily. That is why the swelling is more pronounced after strenuous manual work and becomes smaller at rest. It is common for it to disappear for a while and return later.

I advise against it. The old household remedy of striking the swelling with a hard object can injure the skin, the capsule and the structures beneath. The stalk to the joint remains intact, so the outpouching can fill up again. If the fluid is to come out, then in a controlled way with a needle under ultrasound guidance.

In an aspiration I empty the viscous fluid with a needle under ultrasound guidance; the swelling collapses and the pressure on neighbouring structures eases. The stalk to the joint remains, and with it the route by which the ganglion can fill again. Aspiration is an intermediate step, not a definitive solution.

In open removal I dissect out the outpouching together with its stalk and a small part of the joint capsule. In arthroscopic removal I work through small approaches into the joint, take the stalk down from within and assess the ligaments at the same time. Which route fits depends on the site and the extent.

Yes, that remains possible even when the stalk has been removed carefully; the joint capsule sometimes forms the same weak point again. I mention this before every procedure, so that expectations are realistic. If a ganglion returns, I check whether an accompanying cause lies behind it, such as a ligament injury or joint wear.

Dr. med. Martin Eigenschink

Dr. med. Martin Eigenschink

Specialist in Orthopaedics and Traumatology · Specialist in elbow, shoulder and hand surgery

Surgical and conservative treatment of the elbow, shoulder and hand, preferably minimally invasive. Practice at the Orthozentrum Döbling, 1190 Vienna. More about my background

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Last updated: September 2026 · Responsible for the content: Dr. med. Martin Eigenschink, Specialist in Orthopaedics and Traumatology, Vienna.

Medical notice: The contents of this page serve as general information. They do not replace a medical examination, diagnosis or individual advice. Medicine is a constantly evolving field — despite careful research, no guarantee can be given that the content is fully up to date.

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