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Trigger thumb

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

C/o thumb click. No trauma.

Patient Data

Gender: Female
ultrasound

There is hypoechoic soft tissue thickening around flexure tendon at thumb base / metacarpo-phalangeal joint - that is thicked A1 pulley. There is no tenosynovitis / tendon tear.

Asymptomatic thumb shows normal A1 pulley thickness.

Case Discussion

Findings favor trigger thumb.

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