Fig. 3

A 15-year-old male patient had loss of function of the left upper extremity since birth Erb’s paralysis, electrodiagnostic studies suggested post-traumatic injury at the level of roots (root avulsion) at C6 and C7. MRN revealed a coronal T2, b coronal 3D VIESTA, c coronal 2D FIESTA FAT SAT, and d axial 2D VIESTA FAT SAT obtained images show evidence of root avulsion at the level of left C6–7 root (arrow) with CSF sac seen in place likely traumatic meningocele (arrow)