下顎に生じた骨形成性 (骨腫性) エプーリスの1例

概要

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We present a case of a relatively large epulis osteoplastica (epulis osteomatosa), suspected of being a malignant tumor on initial examination, in the mandibular molar region.<BR>The patient was a 26-year-old man with a painless mass in his left mandibular gingiva. He had first noticed the mass more than 10 years previously. On initial examination, an eggsized mass was found in the left lower molar region, and x-ray examination revealed calcification in the form of a radiopaque shadow. Various examinations, including biopsy, revealed no evidence of malignancy, and the mass was resected under general anesthesia. The lesion measured 65×50×45mm. Histopathologic examination revealed fairly calcified, chondroid tissue and irregular bone tissue in the mass, and lamination was found at its base. On the basis of these three findings, a diagnosis of epulis osteoplastica (epulis osteomatosa) was made.
社団法人日本口腔外科学会の論文