Trigger finger

Case contributed by Dr Bahman Rasuli


Progressive locking of forth finger right hand when he bends and straightens the finger for eight months.

Patient Data

Age: 40
Gender: Male

Thickening of the flexor tendon sheath and tendon especially at the level of fourth finger on the proximal half of the proximal phalanx and the A1 pulley is seen, which causes stenosing tenosynovitis of the flexor tendon.

Synovial sheath effusion around the fourth flexor tendon also is seen.

Case Discussion

Trigger finger is a type of stenosing tenosynovitis. It develops due to repetitive microinjury from frequent flexion-extension movements of the fingers.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.