PLEOMORPHIC ADENOMA IN UNSUAL SITE: CASE REPORT

Pleomorphic adenoma is the benign tumor of salivary glands, which usually appears in the parotid gland, and when it affects minor glands it occurs mainly in the palate. This study presents a case report of male patient who presented to our service with slow-growing mass in the lip. Intraoral examination revealed nodule, which was sessile, well-circumscribed, covered by healthy mucosa, and located in the upper lip. Because of the well-circumscribed nature of the lesion and its clinical presentation, an excisional biopsy was performed with hypothesis of gland tumor. Microscopic examination revealed benign neoplasm of the salivary gland characterized by the proliferation of epithelial and myoepithelial cells arranged in sheets, cords, ductile structures, and small cellular clusters. Individually the cells exhibit oval or rounded vesicular nucleus with sparse and indistinct cytoplasm. There is abundant stromal or hyaline, sometimes myxoid or fibrous. The patient is under follow-up, and no sign of recurrence was observed for 1 year.