Presentation
Referred with a clinical diagnosis of trigger thumb. No trauma.
Patient Data
Age: 40 years
Gender: Female
From the case:
Digital ganglion cyst
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/17696/annotated_viewer_json?iframe=true\u0026lang=us"}
There is a thin-walled anechoic cyst abutting A1 pulley of the thumb. A1 pulley shows normal thickness. There is a normal echo pattern of the flexor policies longus tendon. The dynamic scan showed tendon snapping with thumb movements.
Case Discussion
The case shows a digital ganglion cyst leading to trigger thumb.