Background: Stenosing tenosynovitis with mechanical impingement of the flexor tendons at the A1 pulley is a common condition affecting the digits . According to the literature, there is an emerging number of cadaveric and clinical studies investigating the use of ultrasound in hand and wrist tendinopathies. It is a promising method that represents excellent results without major complications, so that it could be possibly be established as a first-line treatment in the trigger finger's disease.
This report aims to describe de ultrasound guides technique for the trigger finger injection.

Methods: USG trigger finger injection can be performed under dual approach, transverse and longitudinal with an in-plane or out of plane technique. Injection volume should not exceed 1 ml, and one could use steroids and local anesthetics, but also hyaluronic acid.

Conclusion: non-surgical treatment of pain derived from trigger finger, its a feasible technique.

ULTRASOUND GUIDED INJECTION TECHNIQUE FOR TRIGGER FINGER AS A NON SURGICAL ALTERNATIVE