Abstract
Pleomorphic adenoma (PA), is the most common salivary gland neoplasm, corresponding to about 60% of all neoplasms. Although most cases are surgically removed by radical resection, recurrences may occur even after several decades and in some cases malignant transformation may still occur of a pre-existing PA causing the carcinoma ex pleomorphic adenoma (CXPA). CXPA, although relatively rar…