Oncocytic mucoepidermoid carcinoma of a submandibular gland: a case report and review of the literature.

This report describes the first recognized case of oncocytic mucoepidermoid carcinoma of a submandibular gland, and emphasizes the role of immunohistochemical study in the correct diagnosis of this tumour. This is only the second case in which this tumour has appeared as a completely cystic lesion. A review of the literature was carried out to clarify the clinical and pathological features of this rare malignancy