裏装上皮に悪性変化を認めた歯原性角化嚢胞の1例 A case of odontogenic keratocyst associated with malignant changes

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著者

    • 奥田 八重子 OKUDA Yaeko
    • 日本大学歯学部口腔外科学教室第二講座 2^<nd> Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry
    • 岡上 真裕 OKAUE Masahiro
    • 日本大学歯学部口腔外科学教室第一講座 1^<st> Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry
    • 生木 俊輔 NAMAKI Shunsuke
    • 日本大学歯学部口腔外科学教室第二講座 2^<nd> Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry
    • 松本 光彦 MATSUMOTO Mitsuhiko
    • 日本大学歯学部口腔外科学教室第二講座 2^<nd> Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry

抄録

The lining epithelium of odontogenic keratocysts is affected by various types of inflammatory stimuli. However, malignant transformation of the cyst is extremely rare. We report a newly diagnosed case of squamous cell carcinoma arising in an odontogenic keratocyst. A 52-year-old man was referred to our outpatient clinic because of a swelling in the labial-side gingiva of the maxilla. X-ray examination showed cyst-like radiolucent bone defects in the middle of the maxilla, with an impact tooth overlaying the lesion. The patient received radiotherapy to the oral region because of a malignant lymphoma.<BR>The cystic lesion was enucleated. Histopathological examination of the surgical material revealed an odontogenic cyst with malignant transformation. The thick squamoid epithelium showed irregular epithelial ridges with various types of atypism. The lesion was attributed to malignant transformation of the odontogenic keratocyst. The patient has been followed up for 13 months without recurrence.

収録刊行物

  • 日本口腔外科学会雑誌  

    日本口腔外科学会雑誌 50(5), 277-280, 2004-05-20 

    Japanese Society of Oral and Maxillofacial Surgeons

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各種コード

  • NII論文ID(NAID)
    10018619954
  • NII書誌ID(NCID)
    AN00189163
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    00215163
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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