A giant cell tumour of tendon sheath is a benign (non-cancerous) growth that develops from the lining around a tendon. It most commonly occurs in the fingers or hand.
These lumps usually grow slowly and may go unnoticed for some time. They are typically firm and well-defined and can vary in size.
Although benign, they can cause discomfort, affect movement or interfere with hand function depending on their size and location.
Assessment is important to confirm the diagnosis and guide appropriate management.
Symptoms may include:
In many cases, the lump is painless.
Symptoms may include:
In many cases, the lump is painless.
Diagnosis is based on clinical assessment and imaging.
This may include:
In some cases, the diagnosis is confirmed following removal and analysis of the tissue.
Treatment depends on symptoms, size and location.
Non-surgical management may be considered if the lump is small and not causing problems.
Surgical removal is often recommended if:
Surgery aims to remove the lump while preserving surrounding structures.
Surgical treatment involves removing the lump from the tendon sheath.
The procedure is typically performed as a day-case under local or regional anaesthetic.
Care is taken to protect surrounding structures, including tendons and nerves.
Recovery following surgery is usually straightforward.
Recovery typically involves:
Most patients regain good function, although recurrence can occur in some cases.
As with any surgical procedure, there are potential risks, although these are uncommon.
Possible complications include:
Very rarely, a condition known as complex regional pain syndrome (CRPS) can occur, leading to prolonged pain and sensitivity.
You should seek medical advice if you notice a persistent lump in your hand or fingers, particularly if it is increasing in size or affecting movement.
Assessment is important to confirm the diagnosis and exclude other causes.
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