Mixed tumor of the parotid gland spreading into the cranial cavity

Pleomorphic adenoma is benign tumor of the salivary glands. It is the most common neoplasm occurring in salivary glands. Although it is a benign tumor, it should be treated as a clinically uncertain. In about half of the cases a blurred boundary between the tumor tissue and the parotid parenchyma can be observed. This tumor metastasize distant, even without malignant transformation. Malignant transformation of adenoma observed in 3-5% of cases. The aim of this study was to present the case of 75-year-old patient with recurrent mixed tumor spreading by continuity to the cranial cavity.