日本口腔外科学会雑誌
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
症例報告
下唇に生じた囊胞腺腫の1例
藤林 淳子小松原 秀紀古森 孝英
著者情報
キーワード: 囊胞腺腫, 小唾液腺, 口唇
ジャーナル フリー

2015 年 61 巻 11 号 p. 575-579

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Cystadenoma is a benign epithelial tumor and usually occurs in the ovary. In the oral and maxillofacial region, the tumor occurs in the salivary gland, but the frequency is very low. We report a case of cystadenoma arising in the lower lip of a 50-year-old woman. She noticed a swelling in the lower lip 8 years previously. The mass was elastic soft and painless. The tumor was covered with normal mucosa, and the size was about 10 mm in diameter. Magnetic resonance imaging of the lesion showed low intensity on T1-weighted images and high intensity on T2-weighted images. The clinical diagnosis was a benign salivary gland tumor, and we surgically excised the tumor with the patient under local anesthesia. Histopathologically, the tumor had cystic spaces lined with squamous and cuboidal epithelial cells. There was no cellular atypia or mitotic figures. The histopathological diagnosis was cystadenoma. There was no evidence of recurrence 1 year 5 months after excision.

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