口底部に生じた孤立性線維性腫瘍の再発の1例

  • 福本 幸恵
    日本赤十字社和歌山医療センター歯科口腔外科 宇治武田病院歯科・歯科口腔外科
  • 多賀 智治
    日本赤十字社和歌山医療センター歯科口腔外科
  • 西村 毅
    宇治武田病院歯科・歯科口腔外科
  • 野中 太一郎
    彦根市立病院歯科口腔外科 滋賀県立成人病センター研究所進化遺伝グループ
  • 田中 克彦
    日本赤十字社和歌山医療センター歯科口腔外科
  • 千賀 人美
    日本赤十字社和歌山医療センター歯科口腔外科

書誌事項

タイトル別名
  • A case of recurrent solitary fibrous tumor of the mouth floor
  • コウ テイブ ニ ショウジタ コリツセイ センイセイ シュヨウ ノ サイハツ ノ 1レイ

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抄録

Solitary fibrous tumors (SFTs) are rare lesions with a predilection for developing in the pleura. Recently, SFTs have been occasionally reported to occur in other regions, including the head and neck. Clinically and histologically, 13 % to 37 % of pleural SFTs show malignant behavior, but extrapleural SFTs are hardly ever malignant. However, extrapleural SFTs have been reported to recur or to become malignant in the oral cavity. We report on a 38-year-old Japanese woman who presented with a recurrent SFT of the mouth floor, which had been diagnosed as angioleiomyoma and resected 8 years previously. Histological and immunohistochemical re-examination of present and past specimens revealed that this was a case of recurrent SFT. Because recurrent SFT in the oral region has not been reported previously, its clinical behavior is poorly understood. Our case emphasizes that oral SFTs should be followed over the long term because of their intermediate malignant behavior.

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