A Case of Ameloblastoma of the Maxilla

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  • 上顎洞エナメル上皮腫例
  • 臨床 上顎洞エナメル上皮腫例
  • リンショウ ジョウガクドウ エナメル ジョウヒ シュレイ

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<p>Ameloblastoma is one of the most common odontogenic tumors that arise most commonly from the mandible, but rarely arise from the maxilla. We report the case of a 32 year-old male patient with ameloblastoma of the maxilla. The patient visited our hospital complaining of a swelling in the left cheek. Computed tomography revealed a solid bony tumor measuring about 4 cm in diameter in the left maxillary sinus. Gallium-67 scintigraphy showed a hot spot in the region of the tumor. We performed resection of the tumor, and histopathologic examination of the resected tumor revealed the diagnosis of ameloblastoma, desmoplastic type. As at time of writing, the patient remains alive, with no recurrence.</p><p>Desmoplastic ameloblastoma is an unusual type of ameloblastoma that was first reported at 1984. Ameloblastoma is considered as a benign tumor, however, as numerous casea of recurrence have been reported prompt and effective treatment is very important. Complete tumorectomy is desirable as resection of the mandible would be associated with cosmetic disfigurement.</p><p>Ours was a case of desmoplastic ameloblastoma, which is rarely known to recure; we propose to follow up the patient carefully.</p>

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