[Treatment of sequelae due to surgical treatment of cervical and skull base paragangliomas]
Authors: Jaume Bauzá G, Tomás Barberán M, Sarría Echegaray P, Epprecht González P,
The most common sequelae in the treatment of head and neck chemodectomas are cranial nerve lesions; of these, the most frequently affected are the trigeminal, facial, glossopharyngeal, vagus and hypoglossus nerves. The lesions of the lower cranial nerves (IX, X, XI and XII) affect the oral and pharyngeal phases of swallowing and frequently lead to aspiration. The frequency with which these nerves are affected varies according to several factors, being 30% in glomus vagale tumors and 20% in carotid tumors. If the V and VII cranial nerves are affected, defects in oral preparation, bolus transport and drooling may occur. Lesions of the XI and X cranial nerves are associated with de…