Trigger finger

Case contributed by Dr Bahman Rasuli

Presentation

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

Patient Data

Age: 40
Gender: Male
MRI

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.

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Case information

rID: 64105
Published: 8th Nov 2018
Last edited: 8th Nov 2018
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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