A case of solitary fibrous tumor in the buccal region

  • TOMIHARA Kei
    Department of Oral Surgery, Sapporo Medical University School of Medicine
  • NAKAMORI Kenji
    Department of Oral Surgery, Sapporo Medical University School of Medicine
  • SEKIGUCHI Takashi
    Department of Dentistry and Oral Surgery, Teine Keijinkai Hospital
  • ABE Masato
    Department of Oral Surgery, Sapporo Medical University School of Medicine
  • DEHARI Hironari
    Department of Oral Surgery, Sapporo Medical University School of Medicine
  • OGI Kazuhiro
    Department of Oral Surgery, Sapporo Medical University School of Medicine

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Other Title
  • 頬部に発生した孤在性線維性腫瘍の1例
  • ホオブ ニ ハッセイシタ コザイセイ センイセイ シュヨウ ノ 1レイ

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Solitary fibrous tumor (SFT) is a rare benign tumor that occurs mainly in the pleura; however, it can also arise in other extrapleural sites, including the oral cavity. In 2002, the World Health Organization classified SFT as a tumor of intermediate malignancy characterized by metastases to the lung, bone and, rarely, liver. We report a case of SFT in the left side of the buccal region. A 52-year-old woman visited our hospital in June 2005 because of a painless swelling on the left side of the buccal region. A CT scan and MRI showed awell-defined solid tumor in the left side of the buccal region. The tumor was surgically resected, and histopathological examination revealed a SFT. There has been no recurrence ofthe tumor for 18 months since the operation. We review the literature with regard to the clinicopathologic features of SFT.

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