Trigger finger (stenosing tenosynovitis)

TRIGGER FINGER (stenosing tenosynovitis)

In this condition, any of the fingers can be involved, and symptoms relate to a clicking (or triggering) of the finger upon trying to open the finger.
trigger

This is caused by a swollen tendon at the base of the finger (see diagram) which gets intermittently stuck as it tries to enter the finger with normal motion.

When treated early, this condition can be addressed with a simple cortisone injection, which causes the swelling of the tendon to resorb. Occasionally, the swelling may require a 5 minute surgical procedure in order to decompress and clean the swollen tendon.

Recovery is usually reasonable within the first week after treatment.

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