PAROTID TUMORS: IS SURGERY ALWAYS THE ONLY WAY?
In our series, Warthin's tumor was the most frequent mass probably related to the high tobacco use. The prevalence of malignant tumors was relatively high in our series. Primary malignant tumors and pleomorphic adenomas should always be treated surgically, however, lymphomas, metastatic and benign inflammatory masses and cases of Warthin's tumors could be managed nonsurgically.
Chemical stimulation of the hypothalamic PVN provides a protective effect against UC injury in rats. Hypothalamic PVN, NTS and vagus nerve play key roles in this process.