ONCOCYTIC ADENOCARCINOMA OF MINOR SALIVARY-GLAND - AN UNUSUAL GLOSSALPRESENTATION OF A MINOR SALIVARY-GLAND TUMOR

A case of an unusual oncocytic variant of minor salivary gland adenoca rcinoma presenting in the base of the tongue in a 79 year old male wit h a remote history of regional radiotherapy is presented. The tumor ha d a striking morphologic similarity to the more common granular cell t umor, with which it could have been easily confused, lending to signif icant misdiagnosis. The light microscopic, cytologic, immunohistochemi cal and electron microscopic features are presented, with a discussion of the differentiating features of this lesion compared to other more common benign and malignant glossal tumors.