Patients notice a tender swelling below the finger or thumb with a "snap" when they try to bend it. Most are seen in older patients, but can occur at any age. It is common in diabetics.
A specialist clinical examination is usually sufficient.
Initial treatment is by steroid injection and often this is all that is required.
If this is not successful, or if the condition reoccurs, then a minor procedure performed under local anaesthetic is performed to free up the tendon. Diabetic patients do better with surgery straight away.
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