上顎骨に発生した骨内黄色腫の1例

  • 池田 秀吉
    長崎大学大学院医歯薬学総合研究科医療科学専攻展開医療科学講座顎・口腔再生外科学分野
  • 上原 雅隆
    長崎大学大学院医歯薬学総合研究科医療科学専攻展開医療科学講座顎・口腔再生外科学分野
  • 池田 美保子
    長崎大学大学院医歯薬学総合研究科医療科学専攻展開医療科学講座顎・口腔再生外科学分野
  • 藤田 修一
    長崎大学大学院医歯薬学総合研究科医療科学専攻生命医科学講座口腔病理学分野
  • 池田 通
    長崎大学大学院医歯薬学総合研究科医療科学専攻生命医科学講座口腔病理学分野
  • 朝比奈 泉
    長崎大学大学院医歯薬学総合研究科医療科学専攻展開医療科学講座顎・口腔再生外科学分野

書誌事項

タイトル別名
  • A case of intraosseous xanthoma in the maxilla
  • ジョウガクコツ ニ ハッセイ シタ コツ ナイ オウショク シュ ノ 1レイ

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Xanthoma is a benign tumor consisting of accumulations of lipid-laden histiocytes associated with fibrous connective tissue. The large spherical tumor cells containing lipids are called foam cells. Xanthoma usually arises in the soft tissue including the skin, tendon sheath, and eyelid. However, xanthoma in the jaw bones is rare. We report a case of xanthoma occurring in the maxilla of a 66-year-old woman.<br>The patient consulted a dental clinic because of spontaneous pain in the left side of the nose. Since an X-ray film demonstrated a cystic lesion in the left incisor region of the maxilla, the patient was referred to our hospital. Panoramic tomography and computed tomography also revealed a cystic lesion in the same area. The clinical diagnosis was an incisive canal cyst. Under general anesthesia, the lesion was extirpated. The removed lesion was a yellowish, elastic-soft mass adhering to the periosteum. Histologically, the lesion consisted of accumulations of foam cells without atypia, scattered foreign body giant cells, and fibrous connective tissue. The pathological diagnosis of the lesion was xanthoma. There was no evidence of recurrence 23 months after surgery.

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