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A ganglion is a fluid-filled swelling that develops near a joint or a tendon, ranging in size from a pea to a golf ball.

It looks and feels like a smooth, soft lump under the skin. It is made up of a thick, jelly-like fluid, called synovial fluid, which surrounds joints and tendons to lubricate and cushion them during movement.

Ganglions are most common on the wrists (particularly the back of the wrist), hands and fingers.

They are generally harmless, but can sometimes be painful, especially if they are next to a nerve.

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Self referrals

You can self-refer into community physiotherapy services. Simply call 0207 871 0545 to make an appointment. Your initial contact with one of our chartered physiotherapists may be over the phone, where you will either be given advice on appropriate treatment, or a face-to-face consultation will be arranged.

Should you wish to speak to your GP first, simply make an appointment with your local practice. If your GP refers you, one of our patient care advisers will contact you within 48 hours to arrange an appointment.

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