A case of adenomatoid odontogenic tumor in a child extending to the maxillary sinus

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  • ISHIZAKA Risa
    Department of Oral and Maxillofacial Surgery and Comprehensive Oral Science, Faculty of Medicine, University of Toyama Department of Oral and Maxillofacial Surgery, Teine Keijinkai Hospital
  • SEKIDO Katsuhisa
    Department of Oral and Maxillofacial Surgery and Comprehensive Oral Science, Faculty of Medicine, University of Toyama Department of Oral Surgery, Toyama Red Cross Hospital
  • OKITA Michiko
    Department of Oral and Maxillofacial Surgery, Teine Keijinkai Hospital
  • HARIYA Yasushi
    Department of Oral and Maxillofacial Surgery, Teine Keijinkai Hospital
  • HARADA Masashi
    Department of Oral and Maxillofacial Surgery, Teine Keijinkai Hospital
  • NAKAYAMA Eiji
    Division of Oral and Maxillofacial Radiology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido

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Other Title
  • 上顎洞に進展した小児の腺腫様歯原性腫瘍の1例
  • ジョウガクドウ ニ シンテン シタ ショウニ ノ セン シュ ヨウ シゲンセイ シュヨウ ノ 1レイ

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Abstract

<p>Adenomatoid odontogenic tumor (AOT) is a benign epithelial odontogenic tumor that often occurs around a maxilla canine. The tumor generally occurs in the center of the jaw bone, and rarely progress into the maxillary sinus. We report a rare case of AOT that progressed into the maxillary sinus with tooth resorption.</p><p>　A 14-year-old female was referred to our hospital with the chief complaint of swelling of the right maxilla. Clinical examination revealed a soft, painless mass from the upper right lateral incisor to first molar region.</p><p>　Panoramic X-ray showed a well-defined radiolucent lesion in the right maxillary sinus with root resorption of the upper premolars. Computed tomography revealed progression of the lesion into the maxillary sinus and nasal wall. The patient underwent a tumor resection under general anesthesia. The lesion did not contain the impacted tooth nor any calcified body. The lesion was diagnosed as AOT histopathologically. There has been no sign of recurrence in the 6 years and 4 months after the surgical resection.</p>

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