A case of dentinogenic ghost cell tumor of the maxilla

DOI 22 References
  • Takeda Yukihiko
    Department of Oral and Maxillofacial Surgery, Niigata Prefectural Central Hospital
  • Okamoto Yuichi
    Department of Oral and Maxillofacial Surgery, Niigata Prefectural Central Hospital
  • Sato Hideaki
    Department of Oral and Maxillofacial Surgery, Niigata Prefectural Central Hospital
  • Amanai Takamasa
    Department Oral and Maxillofacial Surgery, Sado Hospital
  • Ninomiya Kazunori
    Department Oral and Maxillofacial Surgery, Niigata Hospital, The Nippon Dental University
  • Mataga Izumi
    Department Oral and Maxillofacial Surgery, The Nippon Dental University School of Life Dentistry at Niigata

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  • 上顎に生じた象牙質形成性幻影細胞腫の1例

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Abstract

Dentinogenic ghost cell tumor (DGCT) has been defined as a solid type of calcifying odontogenic cyst, however, according to the most recent WHO classification, it is now divided into two categories: type 2 of CCOT (cystic type) and DGCT (solid type). In this report, we present a case of DGCT originating in the right maxillary molar region.<br>Because DGCT is characterized microscopically by odontogenic epithelial proliferation, presence of ghost cells, dentinoid-like material and dystrophic calcification, biopsy specimens must include calcified lesion for a correct histopathological diagnosis.<br>Surgical removal is the primarily recommended option for DGCT, but post-operative recurrence is not uncommon. In the present case, recurrence occurred after the initial surgical therapy.<br>In the case of surgical removal, preoperative planning of the resected area with sufficient normal margins is extremely important, hence, maxillectomy might be considered. In the present case, the recurrent lesion showed characteristic findings on CT and MRI.<br>In conclusion, careful follow-up after surgical therapy is important, with periodical imaging diagnosis by CT and MRI.

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