Charcot-Marie-Tooth disease is a hereditary motor and sensory neuropathy th
at exhibits progressive muscular atrophy in the limbs, beginning with the l
ower extremities. It is now understood to be a heterogeneous group of disor
ders that can be differentiated both clinically and genetically. In Charcot
-Marie-Tooth disease type II C, axonal neuropathy, diaphragm weakness, and
vocal cord paralysis are described within kindreds, We used laryngeal elect
romyography to study a patient with this disorder. This technique has poten
tial in the diagnosis of Charcot-Marie-Tooth disease type II.