緊急対応を要した下顎骨動静脈奇形の1例

  • 名生 邦彦
    東京医科歯科大学大学院医歯学総合研究科顎顔面頸部機能再建学講座・顎顔面外科学分野 静岡市立静岡病院・口腔外科
  • 長谷川 和樹
    静岡市立静岡病院・口腔外科
  • 宮本 日出雄
    静岡市立静岡病院・口腔外科
  • 原田 清
    東京医科歯科大学大学院医歯学総合研究科顎顔面頸部機能再建学講座・顎顔面外科学分野

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タイトル別名
  • A case of arteriovenous malformation of the mandible requiring urgent treatment
  • キンキュウ タイオウ オ ヨウシタ カガクコツドウ ジョウミャク キケイ ノ 1レイ

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抄録

Arteriovenous malformation (AVM) of the jaw is considered a rare lesion. We report a case of AVM of the mandible. A 51-year-old man was referred to our department for further evaluation of a mandibular lesion. Panoramic radiography showed a multilocular radiolucency extending from the lower retromolar region to the right ramus of the mandible. A biopsy was performed for differential diagnosis between an ameloblastoma and keratocystic odontogenic tumor. However, severe hemorrhage occurred during the biopsy. The patient was admitted to our hospital urgently. An intraosseous AVM supplied by the maxillary artery was suspected on angiography. Embolization of the right maxillary artery was performed to decrease the hemorrhage during operation. One hour after the embolization, a segmental mandibulectomy was perfomed with the patient under general anesthesia. Histopathologically, the lesion was diagnosed as an AVM. The patient was followed up for 2 years without recurrence.

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