Objectives: To describe a rare case of pleomorphic adenoma of the sublingual gland.
Clinical Presentation And Intervention: An 80-year-old patient presented with a painless solid submucosal mass of 4 months' duration in the anterior floor of the mouth, appearing as a distinct homogeneous, radiolucent lesion in CT imaging. Histologic findings after complete removal were suggestive of a pleomorphic adenoma almost completely surrounded by a fibrous capsule. No recurrence was observed after a 12-month follow-up.
Conclusion: This case showed the possibility of sublingual salivary gland tumors and highlighted the need to consider them when making a differential diagnosis of masses located in the floor of the mouth.
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