Solitary fibrous tumor of the middle ear: A case report

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  • Koda Yuki
    Department of Otolaryngology and Head & Neck Surgery, Osaka City University Graduate School of Medicine
  • Moriguchi Makoto
    Moriguchi ENT
  • Sunami Kishiko
    Department of Otolaryngology and Head & Neck Surgery, Osaka City University Graduate School of Medicine

Bibliographic Information

Other Title
  • 中耳孤発性線維性腫瘍（Solitary Fibrous Tumor）の一例
  • チュウジコハツセイ センイセイ シュヨウ(Solitary Fibrous Tumor)ノ イチレイ

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Abstract

<p>Solitary fibrous tumor (SFT), a rare neoplasm derived from mesenchymal cells is known to frequently originate in the thymus and peritoneum. This lesion is rarely encountered by otolaryngologists, although a few reports have described SFTs of the nasal sinuses, oral cavity, and neck. Some studies have reported SFTs of the ear canal; however, our literature search did not yield any report of this lesion originating from the middle ear. We report a case of a middle ear tumor that was diagnosed as a SFT after surgery performed for diagnostic purposes. A 52-year-old woman presented with right-sided hearing loss. Evaluation of the ear and imaging revealed a middle ear tumor. We performed mastoidectomy, tumor resection, and tympanoplasty under general anesthesia. Histopathological examination of the resected specimen confirmed a SFT without any malignant features. The patient underwent re-operation for recurrence, 1 year postoperatively. No recurrence or metastases are observed over 3 years since the re-operation.</p>

Journal

  • Otology Japan

    Otology Japan 32 (1), 115-120, 2022

    Japan Otological Society

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