Fig 3.

A, Axial high-resolution MR imaging in a 5-month-old girl with clinically suspected right-sided brachial plexus palsy shows avulsion injury of the right C5 ventral nerve root (arrow). The right dorsal nerve root is also avulsed (arrowhead). Sagittal (B) reformatted images on the right side show absent ventral and dorsal C5 nerve roots (arrows), compared with the normal nerve roots on left side (C). Coronal reformatted image (D) at the level of ventral nerve roots show absent right C5 ventral nerve root from avulsion (arrow), compared with the normal left-sided nerve root (arrowhead).