The styloid syndrome is caused by an irritation of the glossopharyngeal nerve from an excessive development of the styloid apophysis. Treatment consists of the resection of the same. The Sluder syndrome represents a nevralgy with origin in the sphenopalatine ganglion and a dysfunction of the parasympathetic system. The Charlin syndrome, much less frequent, manifests itself by pains in the territory of the nasociliar nerve and the ciliar ganglion.
