
Figure 1
A 26-year-old male presenting with neglected weakness of the left upper limb associated with dysesthesia and advanced atrophy following a motor vehicle accident 3 years ago.

Figure 2
Coronal T1 and T2 FAT SAT magnetic resonance imaging (MRI) of the brachial plexus were performed, showing fatty infiltration of the left shoulder and upper limb muscles (a,b). Contrast-enhanced coronal 3D SPACE STIR showed complete discontinuity of the left brachial plexus from C4 to C7 at the level of post-ganglionic segments with retraction of distal branches (c, arrows).
