Abstract
The pleomorphic adenoma (PA) is the most common salivary cancer, accounting for about 60% of all tumors in this anatomical site. Although most patients are treated by radical surgical resection, recurrence and malignant transformation to carcinoma ex pleomorphic adenoma (CXPA) may occur. The CXPA, though relatively rare, reserve a worse prognosis, with the development of the metastases an…