Solitary Fibrous Tumor of the Vulva With Multiple Lung Metastases Mimicking Inguinal Hernia in a 4-Day-Old Neonate: A Case Report

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  • Doden Kenta
    Department of Pediatric Surgery, Ishikawa Prefectural Central Hospital
  • Sakimura Yusuke
    Department of Pediatric Surgery, Ishikawa Prefectural Central Hospital
  • Furutani Yuichiro
    Department of Pediatric Surgery, Ishikawa Prefectural Central Hospital
  • Hirotani Taichi
    Department of Pediatric Surgery, Ishikawa Prefectural Central Hospital
  • Shimotake Takashi
    Department of Pediatric Surgery, Ishikawa Prefectural Central Hospital

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  • 鼠径ヘルニア嵌頓の疑いから発見された多発肺転移を有する会陰部原発孤立性線維性腫瘍の新生児例
  • 症例報告 鼠径ヘルニア嵌頓の疑いから発見された多発肺転移を有する会陰部原発孤立性線維性腫瘍の新生児例
  • ショウレイ ホウコク ソケイ ヘルニアカントン ノ ウタガイ カラ ハッケン サレタ タハツ ハイ テンイ オ ユウスル エインブ ゲンパツ コリツセイ センイセイ シュヨウ ノ シンセイジレイ

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Abstract

<p>Solitary fibrous tumor (SFT) is a rare tumor of soft tissues, which mostly arises from the pleura. Although extrathoracic SFT has been commonly described, that of the vulva is extremely rare. We report the case of a full-term female neonate who was referred to our institution with a vulvar mass suspected as inguinal hernia. CT showed a 18 × 14 × 14 mm soft tissue tumor without continuity from the abdominal cavity, and revealed multiple pulmonary metastases. MRI indicated that the vulvar mass was probably rhabdomyosarcoma. Total resection of the left vulvar mass was performed on day 11 of life. The pathological diagnosis was solitary fibrous tumor of the vulva. To the best of our knowledge, this is the first report of SFT in a neonate.</p>

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