Vocal fold paralysis may occur for a wide range of reasons, from cardiac chamber
enlargement, intoxication by chemical products, and mediastinal, neck, lung and intracranial
tumors. Given the vast array of possibilities and the various points where the vagus and
recurrent laryngeal nerves (the latter is a branch of the first and innervates most laryngeal
intrinsic muscles) may be injured, often times complementary tests are required to reach a
diagnosis. The glossopharyngeal nerve is both a sensitive and motor entity that emerges …