Abstract

Basal cell adenoma is a benign salivary gland neoplasm that mainly affects the parotid gland and rarely occurs in minor salivary glands. It is more common in older adults, with peak prevalence in the seventh decade of life, and clinically appears as a slowly growing mass. A 25-year-old white woman presented with a 6-mm submucosal nodule around the upper lip area. The lesion was asymptomatic and was covered with normal-looking mucosa. Based on the location, a clinical diagnosis of dermoid cyst was established, and an excisional biopsy was performed. Histopathologic examination showed a proliferation of cells with 2 phenotypes forming a tubular pattern within a fibrous stroma. Luminous cells exhibited oval and pale nuclei and eosinophilic cytoplasm, while basaloid cells contained pale or hyperchromatic nuclei and clear cytoplasm. A diagnosis of basal cell adenoma was made, and the patient was considered treated and is currently being followed up.

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