Figure 1.

Axial T1-weighted image of the right wrist at the level of the tubercle of trapezium (T) shows the normal flexor tendons and median nerve located volarly. The flexor carpi radialis (white arrow) is seen to lie in a fibroosseus tunnel, situated radial and volar to the carpal tunnel. The flexor pollicis longus (dashed white arrow) is the most radially located tendon within the carpal tunnel. The flexor digitorum superficialis (white asterisk) and flexor digitorum profundus (white cross) tendons lie within the carpal tunnel. The median nerve (black arrow) appears fasciculated and shows intermediate to high signal