Ganglion Cysts
What is a Ganglion?
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Ganglions are cyst that originate from joints of tendon sheaths in the body.
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They are filled with joint fluid that condenses over time and forms a gel.
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The fluid escapes through a small gap in a joint capsule or tendon sheath
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Ganglions are not dangerous or cancerous. They are usually very unlikely to cause permanent harm, if left untreated.
What causes a Ganglion Cyst?
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The exact cause of Ganglions is unknown,
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An injury or heavy use can cause a ganglion to get bigger
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A joint with arthritis is more likely to develop a ganglion
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It occurs most commonly between ages of 15-40yrs
How does it present?
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Most ganglions present with a lump.
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A small ganglion may not be visible but can cause pain.
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Ganglions can fluctuate in size.
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Ganglions can press on nerve and cause pins and needles and/or numbness.
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Ganglions can rupture. If superficial they discharge clear fluid.
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An ultrasound can confirm the diagnosis of a ganglion.
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Ganglions can occasionally spontaneously resolve, especially in children.
What can be done?
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Immobilisation with brace/splint to help reduce size of ganglion and relieve pressure on nerves.
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Aspiration draining the fluid out of the ganglion with a needle can help alleviate symptoms but will not prevent the ganglion from reforming.
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Use of an anti inflammatory, for discomfort caused by a ganglion.
When is surgery considered?
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When non operative treatment is unsuccessful
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If there is persistent pain or discomfort
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If the ganglion is interfering with movement/function of a joint
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If symptoms
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Stop you doing the 'things you have to do' and/or
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The 'things you love to do' in life
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If you would prefer a definitive cure for the problem.
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If appearance is unacceptable
How does surgery work?
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This surgery is usually done under general anaesthetic
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It is done as a day case in a hospital
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but you cannot drive home after the procedure
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and you should not be home alone on the night of your surgery
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What do we do in surgery?
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A skin incision is made directly over the ganglion
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The ganglion is removed including the sac and an area of joint capsule where the ganglion originates. Removing the "stalk" minimizes the chance of recurrence.
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Local anaesthetic is injected around the wound for pain relief
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The wound is closed and a dressing and bandage are applied.
After the Surgery
In Hospital
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A large bandage is applied to the hand.
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It is important that the hand remains elevated ‘higher than your heart’ to help limit swelling
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Do not hesitate to ask for pain killers. It is much better to ‘stay on top of pain’, than ‘to catch’ up when it is severe.
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If the bandage feels too tight, do not hesitate to remove it.
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It is usual to leave hospital 2-3 hrs after surgery
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At Home
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Continue to elevate your arm until swelling in your fingers subside.
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Move your fingers (making a full fist and straightening your fingers out fully about 10-20 times a day).
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Keep the wound dry covered and clean.
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If it is not uncomfortable, leave the bandage in place until your first appointment after surgery
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Blood thinning medication (if you are on any) can be started 2 days after surgery
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An appointment usually arranged with my practice nurse at about 1-2 weeks after surgery.
The Recovery
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The wound usually heals over 1-2 weeks and any sutures are then removed
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Self care (washing, dressing, eating) with the operated hand – usually around 5 days
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Driving: when you are able to control a steering wheel with your operated hand and you are not taking strong pain relief anymore (usually 5-10 days post surgery)
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Most moderate activities (equivalent to lifting a pot of the stove or pouring a full kettle) can usually be achieved by 4-6 weeks,
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It can take 3-6 months for stiffness and deep scarring in the site of the operation to resolve.
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Returning to heavy manual activities can take 3-6 months
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Golf, fishing, cycling etc.: usually around 3-4 months, but it can be longer (6 months)
What can go wrong?
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Infection
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Stiffness of the joint (wrist/finger). You will be given some exercises to do at home, but may need hand therapy.
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It is common to have a bit of numbness next to the scar. Sometimes the scar can be very sensitive for a long time
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Recurrence, the excision may be unsuccessful and need to be done again.
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Very rarely (around one in a thousand) a severe pain reaction, (CRPS) can develop, which can be disabling for years.
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A anaesthetic can have complications, such as nausea, heart and lung problems. Please discuss it with your anaesthetist before the operation.
What can you expect the final outcome to be?
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Full recovery is usually expected