Ultrasonographic manifestations of Charcot-Marie-Tooth disease due to a mutation in the PMP22 gene: A case image.

In this case, the bilateral brachial plexus, median nerve, ulnar nerve, radial nerve, sciatic nerve, tibial nerve, and common peroneal nerve of the patient all showed diffuse and uniform edema and thickening, with no segmental thickening changes in noncompression areas, consistent with the neuroultrasound findings of CMT1.