A case of cystadenoma of the tongue

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  • YANAI Yuta
    Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Faculty of Dental Sciences, Kyushu University
  • KUBOTA Yasutaka
    Department of Oral and Maxillofacial Surgery, Sasebo Kyosai Hospital
  • NAGANO Koki
    Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Faculty of Dental Sciences, Kyushu University
  • FUJINAGA Takahiro
    Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Faculty of Dental Sciences, Kyushu University
  • YAMADA Tomohiro
    Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Faculty of Dental Sciences, Kyushu University
  • MORI Yoshihide
    Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Science, Faculty of Dental Sciences, Kyushu University

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Other Title
  • 舌に発生した囊胞腺腫の1例
  • シタ ニ ハッセイ シタ ノウホウセン シュ ノ 1レイ

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<p>A cystadenoma is a benign epithelial tumor consisting of cystic growth of glandular tissue, and rarely occurs in the oral region. Herein we describe a case of cystadenoma of the tongue. The patient was an 83-year-old woman who visited our hospital complaining of a painless mass in her tongue. A well-defined mass with a major axis of approximately 30 mm was found under the tongue mucosa. The mass was elastic-soft, covered with normal mucosa with no adhesion. MRI findings showed a well-defined, uniform mass with a low T1 signal and a high T2 signal. A tumor resection was performed based on a clinical diagnosis of benign tumor or cyst. A tumor with a capsule was found under the tongue mucosa, and resected with the surrounding soft tissue. The size of the specimen was 35 × 25 × 25 mm. Histopathologically, the entire tumor was cystic, and some small cysts were observed in the epithelium. The lining epithelium consisted of columnar or cuboidal cells with no cytological atypia and contained oncocytes and mucous cells. The histopathological diagnosis was cystadenoma. The patient was observed for 1.5 years following the operation, with no recurrence.</p>

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