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Best Practice Case Studies
Trigger Finger
Trigger Finger
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Video Transcription
Video Summary
This transcript from Brennan Boettcher at Mayo Clinic explains the ultrasound evaluation process for trigger finger. The case focuses on the right ring finger, using a high-frequency linear transducer. The scan highlights the FDS and FTP tendons overlying important anatomical structures and identifies key features such as edge shadowing and anechoic fluid in the tendon sheath. Trigger finger diagnosis is indicated by FDS tendon hypoecogenicity, nodule formation, and thickened A1 pulley. Dynamic visualization shows disconjugate motion and bunching, characteristic of trigger finger symptoms, confirming the diagnosis through ultrasound.
Meta Tag
Edition
3rd Edition
Related Case
3rd Edition, CASE 20
Topic
Hand
Keywords
3rd Edition, CASE 20
3rd Edition
Hand
ultrasound evaluation
trigger finger
high-frequency transducer
FDS tendon
A1 pulley
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