Ultrasound proximal carpal tunnel

The ultrasound image above (A) shows a relatively proximal view of the carpal tunnel. The photograph (B) shows the position of the ultrasound transducer needed to obtain this view.

FCR: flexor carpi radialis tendon; FPL: flexor pollicis longus tendon.
* Median nerve.
¶ Ulnar artery.
Δ Flexor digitorum superficialis tendons.
◊ Flexor digitorum profundus tendons.

Courtesy of Blake Boggess, DO.