Sonographic Wrist Measurements and Detection of Anatomical Features in Carpal Tunnel Syndrome

Figure 1

Internal wrist measurement: the radio-ulnar (width) distance between the pisiform (+) and scaphoid tubercle (+) and the dorsopalmar (depth) distance between the flexor retinaculum above the median nerve (𝑥) and the lunate bone (𝑥) were measured sonographically in the carpal tunnel.