Minor salivary gland tumors. A histologic and immunohistochemical study

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Abstract
Clinical, histologic, and immunohistochemical data were reviewed and evaluated on 238 oral minor salivary gland tumors. Benign neoplasms accounted for 65% of the total. Pleomorphic adenomas were the most common of all neoplasms, and mucoepidermoid carcinomas were the most frequently encountered malignancies. Pleomorphic adenomas and adenoid cystic carcinomas stained positive for S-100 protein. Immunohistochemistry was believed to be of potential assistance in diagnosis of salivary gland tumors and in prediction of histogenesis.