Clear cell variant of extraosseous calcifying epithelial odontogenic tumor: a case report

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概要

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• Calcifying epithelial odontogenic tumor (CEOT) is a benign epithelial odontogenic tumor occurring most frequently in the posterior part of the lower jaw. Extraosseous CEOT is one of the rarest forms of this tumor, and few such cases involving the maxillary gingiva have been reported in the literature. Here we present a case that showed progressive enlargement in the left maxillary gingival area over a period of 11 years. Clinical examination showed an ulcerated mass measuring 52 × 38 mm located adjacent to the lateral incisor and canine. Histologically, the tumor showed proliferation of sheets and cords of epithelial cells with granular, eosinophilic cytoplasm and round to oval nuclei. In other areas, the epithelial cells exhibited a clear, vacuolated cytoplasm and foci of eosinophilic, homogeneous material representing amyloid deposition. The present case of extraosseous CEOT with clear cells was considered to be a very rare form of this tumor. (J Oral Sci 51, 485-488, 2009)

• 日本大学歯学部の論文

著者

• Saghravanian Nasrollah

  Department of Oral and Maxillofacial Pathology, Faculty of Dentistry and Dental Research Center, Mas

• Jafarzadeh Hamid

  Department of Endodontics, Dental School and Dental Research Center, Mashad University of Medical Sciences

• Habibi Ataollah

  Department of Oral and Maxillofacial Surgery, Faculty of Dentistry and Dental Research Center, Mashhad University of Medical Sciences

• Zare Reza

  Department of Oral and Maxillofacial Pathology, Faculty of Dentistry and Dental Research Center, Mashhad University of Medical Sciences

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