Trigger thumb

Case contributed by Dr Maulik S Patel

Presentation

Thumb snapping - 2 wks.

Patient Data

Age: 4 yrs
Gender: Female
Ultrasound

Short axis on palmer aspect of 1st metacarpo-phalangeal joint shows hypoechoic thickening around central echogenic tendon - thickened A1 pulley.

Flexure tendon is normal. There is no tenosynovitis.

There is no joint effusion.

Case Discussion

Findings of trigger thumb in pediatric age group.

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