A case of the lymphoepithelial cyst on the ventral surface of the tongue.

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Lymphoepithelial cysts generally occur at the lateral aspect of the neck. They are rarely found in the oral cavity. We recently encountered a patient with a lymphoepithelial cyst on the ventral surface of the tongue. The patient was a 55-year-old woman who complained of a small mass at the base of the tongue. Clinically, the mass was localized at the right ventral surface of the tongue. The mass was 7 × 4 mm, elliptical, localized, and presented with a pink color and smooth surface. Its consistency was elastic hard and it was mobile by palpation. The clinical diagnosis was a benign tumor of tongue. The lesion was totally excised under local anesthesia. Pathologically, the mass had a cyst cavity and the wall consisted of stratified squamous epithelium and lymphoid tissue. The pathological diagnosis was lymphoepithelial cyst. Now, 3 months after the operation, there is no evidence of recurrence in the patient.
社団法人日本口腔外科学会の論文