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
2年間で増大を示した下顎に発生した歯原性石灰化上皮腫の1例
絹川 雅夫柴田 知佳小宮 正道相澤 聡一北野 尚孝真宮 淳
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2014 年 60 巻 2 号 p. 61-65

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Calcifying epithelial odontogenic tumor (CEOT) is a rare odontogenic tumor derived from odontogenic epithelium. We describe a 35-year-old man with CEOT in the left mandibular molar region. Panoramic radiography of the left side of the mandible showed a multilocular radiolucent lesion with several radiopaque masses. Computed tomography indicated expansion and thinning of the buccal and lingual cortical bone adjacent to the multilocular lesion in the left side of the mandible. The preoperative histopathological diagnosis on examination of a biopsy specimen was CEOT, which was considered to be derived from the odontogenic epithelium. The patient did not come to our hospital for 2 years, but then returned because the CEOT had enlarged.
With the patient under general anesthesia, we performed continuous resection of the mandible and reconstruction with a plate. The postoperative course was uneventful during a follow-up period of 2 years, and there has been no recurrence.

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